Activity archive · 2016 — 2026
Every day I.O.I
was somewhere.
A calendar and catalog of group and member activities, from broadcasts and stages to fan signs and anniversaries.
January6 activities
- DramaDrinking SoloAn early television appearance in the slice-of-life comedy set around civil-service exam teachers and students.
- DramaEntourageChungha appeared with Nayoung in the Korean television adaptation.
- DramaEntourageNayoung appeared with Chungha in the Korean television adaptation.
- VarietyRunning ManI.O.I joined SBS's Running Man for a variety-show appearance built around the cast's games, missions and team challenges.
- RealityStandby I.O.IMnet's pre-debut reality series followed the eleven Produce 101 finalists as I.O.I was formed.
- VarietyWeekly IdolI.O.I appeared on the idol variety program for games, dance moments and member-focused introductions during the group's original promotion era.
April22 activities
- MilestoneProduce 101 final episodeThe Produce 101 finale confirmed the eleven-member lineup that would debut as I.O.I.
- Endorsement@star1 photoshootThe group's first magazine photoshoot after the lineup was confirmed.
- V LIVEI.O.I First V time!A four-minute V LIVE greeting at 11pm - the first broadcast by the complete eleven-member lineup.
- EndorsementEtude House filmingA commercial shoot for Etude House, one of I.O.I's earliest brand partnerships.
- EndorsementWoongjin Sky Barley commercialA commercial shoot for Woongjin Food's Sky Barley tea.
- ReleaseDebut album jacket shootThe jacket photography session for the debut mini album Chrysalis, released with a making-of film.
- BroadcastMembers move into the dormAll eleven members entered the shared dorm and filming began for the group's first reality programme.
- EndorsementEtude House photoshootA second Etude House session, this time a printed photoshoot.
- BroadcastGolden Bell Challenge recordingRecorded at Osong High School in Cheongju, with the full lineup sending a video greeting and two members setting quiz questions.
- ReleaseDream Girls music video filmingTwo days of filming in Incheon and Goyang under director Hong Won-ki of ZANYBROS.
- Fan eventSurprise coffee event for fansSplit between Yongsan and Sangam, the members handed out coffee to fans - the first in-person meeting since the lineup was decided.
- BroadcastHello Our Language recordingA recording for KBS's language programme, later broadcast across two runs in May and June.
- BroadcastTwo Yoo Project - Sugar Man recordingThe group recorded as showmen alongside Jessi and Hanhae, with a live stream from the waiting room before filming.
- BroadcastEoseoop SHOW casting confirmedSejeong was confirmed as a fixed cast member on KBS's first terrestrial variety booking for the group.
- BroadcastStandby I.O.I episode 1The group's first solo reality series premiered on Mnet at 11pm.
- BroadcastEoseoop SHOW first live recordingBroadcast live through Naver V and TV Cast before the television edit aired on 6 May.
- BroadcastTwo Yoo Project - Sugar Man broadcastThe group's first post-debut broadcast appearance, which lifted the programme to its then-highest rating.
- BroadcastKnowing Brothers recordingRecorded as a Produce 101-styled debut competition, followed by an hour-long live broadcast with the cast.
- Festival & eventLotte World Youth FestivalA festival stage performing Bottom, Yum-Yum, 24 Hours and PICK ME in two vocal units.
- BroadcastSister's Slam Dunk recordingThe Slam Dunk cast visited I.O.I while preparing their own girl-group project.
- BroadcastStandby I.O.I episode 2The second and final episode of the pre-debut reality series.
- BroadcastBattle Trip recordingThe group joined as a special judging panel for the travel programme.
May69 activities
- BroadcastGolden Bell Challenge broadcastThe Osong High School recording aired, with four members setting the twenty-second question.
- BroadcastComedy Big League recordingMembers joined the sketch programme's Girl Space Friend and Prince's Game segments.
- ReleaseChrysalis releasedI.O.I officially debuted at noon with the mini album Chrysalis and its title track Dream Girls.
- V LIVEChrysalis V LIVEA pre-release broadcast fifteen minutes before the album went live, promising a follow-up show for the full lineup.
- Festival & eventHyundai Department Store Pangyo eventAn evening appearance at the Family Garden on the fifth floor of the Pangyo branch.
- ConcertDebut showcaseA press showcase at 11am followed by a fan showcase broadcast live at 4pm from Jangchung Arena.
- Music showM Countdown debut stageI.O.I performed Knock Knock Knock live and premiered the pre-recorded Dream Girls stage.
- Fan eventM Countdown mini fanmeetingA short fanmeeting held around the debut broadcast.
- BroadcastEoseoop SHOW first broadcastThe television edit aired, closing with the PICK ME stage the members performed with the Hubo robot.
- BroadcastBattle Trip broadcastThe Seoul snack tour episode aired with I.O.I on the special judging panel.
- BroadcastKnowing Brothers broadcastThe Produce 101-styled episode aired at nearly 110 minutes and set the show's then-highest rating.
- BroadcastSNL Korea season 7 hostI.O.I hosted episode 11, an unusual booking for a rookie group; the episode set the season's highest rating.
- Festival & eventC-FestivalA festival stage in Seoul during the debut promotion cycle.
- BroadcastComedy Big League broadcastThe sketch segments recorded on 3 May aired.
- ConcertKNN Radio launch concertA celebration stage for the launch of KNN's second radio channel in Busan.
- Music showThe ShowDream Girls and When the Cherry Blossoms Fade were performed; the group placed second on the chart.
- RadioPark Ji-yoon's Gayo PlazaA visible-radio appearance without Sejeong and Chaeyeon, who had conflicting schedules.
- RadioTei's Dreaming RadioThe group's first MBC appearance, broadcast as a visible radio show.
- BroadcastVitamin recordingA health-programme recording that aired on 19 May.
- Music showM CountdownA live Dream Girls stage with a waiting-room self-cam released alongside.
- Festival & eventSejong University festivalA university festival stage broadcast live by the campus station.
- BroadcastThe Greatest Love recordingA recording for JTBC's variety series, aired across 17 and 24 May.
- BroadcastGood MorningThe group's first terrestrial stage, performed live on the morning programme.
- BroadcastSister's Slam Dunk broadcastThe episode aired, with Tiffany offering advice to the group about debuting.
- Fan eventTimes Square fan signAn evening fan sign at the event stage on the first floor of Yeongdeungpo Times Square.
- Fan eventNurikkum Square fan signAn afternoon fan sign held in the international conference hall.
- ConcertSung Si-kyung Congratulation ConcertA guest appearance at the open-air theatre of Yonsei University.
- EndorsementCJ CheilJedang salmon commercialSomi filmed a commercial as the brand model for CJ's Alaskan salmon line.
- ConcertSung Si-kyung Congratulation Concert day 2The second guest night at the Yonsei University open-air theatre.
- Music showSimply K-Pop pre-recordingTwo episodes were recorded in one session, broadcast on 20 and 27 May.
- BroadcastTAXI recordingThe talk show recording included a guerrilla concert at the Yeouido waterside stage.
- ConcertOpen Concert at SorokdoThe group's first terrestrial music programme stage, recorded on the lawn of Sorokdo Hospital and broadcast on 5 June.
- Music showThe Show pre-recordingA morning pre-record for the following broadcast.
- BroadcastMV Bank Stardust 2The group introduced the Dream Girls video as guest VJs and took part in a charm-exploration segment.
- Festival & eventSungkyunkwan University festivalAn evening festival stage on the humanities and social sciences campus.
- Festival & eventHallym University festivalA late-evening festival stage in Chuncheon.
- Music showM Countdown pre-recordingAn afternoon pre-record ahead of the broadcast.
- BroadcastVitamin broadcastThe health programme episode recorded on 11 May aired.
- Fan eventMokdong fan signAn evening fan sign at the Mokdong Youth Centre.
- Music showMusic Bank pre-recordingI.O.I's first Music Bank recording, and the first terrestrial music show to open its doors to the group.
- Fan eventSeo Kang-joon fanmeetingA guest appearance at the actor's fanmeeting held at Lotte World.
- Music showSimply K-PopThe first of the two episodes recorded on 16 May.
- Award showAsia Model AwardsI.O.I received the Model Special Award for New Star Singer; three members also appeared as presenters.
- BroadcastHundred Shots Hundred Hits invitationalAn esports special invitational recorded at the OGN e-Stadium in Sangam, broadcast on 28 May.
- Fan eventFinal Chrysalis fan signThe closing fan sign of the debut promotion cycle, held at Dongja Art Hall.
- Festival & eventHyundai Brilliant Motor FestivalA late-evening festival stage for Hyundai Motor's 2016 event.
- MilestoneChengdu volunteer tripFive members travelled to Chengdu for CJ's Dream Music Class volunteering programme; places were decided by rock-paper-scissors.
- BroadcastHello Our Language broadcastThe Star Birth run of the language programme aired across five weekday mornings.
- BroadcastStar Countdown KCON France specialA KCON France preview programme aired ahead of the group's first overseas schedule.
- BroadcastTAXI part 1The first half of the talk show recording aired.
- BroadcastThe Greatest Love part 1The hosts visited the I.O.I dorm; the episode turned into a group talk show rather than the programme's usual format.
- BroadcastEoseoop SHOW recordingA recording that aired across 3 and 10 June.
- BroadcastMV Bank Stardust star commute segmentA short segment filmed at the first Music Bank recording, with members drawing and performing mission cards.
- Music showSimply K-PopThe second Simply K-Pop broadcast of the promotion cycle.
- MilestoneReturn from ChengduThe five members who joined the volunteering trip returned to Korea.
- BroadcastGame PlusAn afternoon appearance on OGN's gaming programme.
- ConcertMay I Love You concertAn evening concert appearance at the Yonsei University open-air theatre.
- Music showMusic Bank pre-recordingAn afternoon pre-record for the Music Bank broadcast.
- Music showSimply K-PopThe second of the episodes recorded on 16 May aired.
- BroadcastHappy Together 3 recordingSomi recorded with her father Matthew Douma for the programme's family special, broadcast on 2 June.
- BroadcastHundred Shots Hundred Hits broadcastThe esports invitational aired with a closing performance.
- BroadcastI.O.I ManualA three-part member-introduction video series released online.
- ConcertBugs Special LiveA live session at YES24 MOVE Hall in Hongdae, published on 8 June.
- BroadcastHello Counselor recordingThe group's first booking on one of KBS's long-running talk programmes.
- BroadcastFacebook live interviewAn afternoon interview streamed live on Facebook.
- BroadcastImmortal Songs recordingRecorded for the Hong Seo-beom special, broadcast on 11 June.
- BroadcastStar What recordingAn interview segment for KBS Antenna's star programme.
- BroadcastKBS News Plaza interviewA news-programme interview with Sejeong, recorded on 27 May.
- BroadcastTAXI part 2The second half of the talk show recording aired.
June45 activities
- ConcertKCON 2016 FranceI.O.I's first overseas schedule, performed at the AccorHotels Arena in Paris for the 130th anniversary of Korea-France relations. Somi could not appear because a work permit for under-15s was not granted.
- BroadcastHappy Together 3 broadcastThe family special recorded on 28 May aired.
- Award showAsia Model Awards broadcastThe awards ceremony aired following the group's New Star Singer win.
- BroadcastEoseoop SHOW broadcastThe 25 May recording aired.
- Concert2016 Dream ConcertA full-group stage at Seoul World Cup Stadium performing PICK ME with 85 students and then Dream Girls; Sejeong also joined the One Dream collaboration stage.
- BroadcastB-grade News Show JjanAn interview segment recorded on 27 May aired on the programme's first episode.
- MilestoneChrysalis promotions endThe Dream Concert closed the group's first full-lineup promotion cycle.
- ConcertOpen Concert broadcastThe Sorokdo recording aired, closing with Into the New World and a duet with Insooni.
- EndorsementPancoat photoshootA brand photoshoot for Pancoat.
- EndorsementCosmetics commercial filmingA commercial shoot for a cosmetics brand.
- BroadcastHello Counselor broadcastThe 29 May recording aired.
- BroadcastBattle Trip filming in ShanghaiThe two members flew to Shanghai to film a travel course led by Jieqiong.
- ReleaseDalgona music video filmingDoyeon filmed as the lead in San E and Raina's Dalgona video.
- BroadcastEoseoop SHOW recordingA recording that aired across 17 and 24 June.
- MilestoneReturn from ShanghaiThe two members returned from the Battle Trip filming.
- Fan eventCJ CheilJedang fan signSomi attended a fan sign at E-Mart Seongsu as the brand's commercial model.
- MilestoneFirst unit lineup announcedSomi, Yoojung, Chungha, Sohye, Jieqiong, Doyeon and Nayoung were announced as I.O.I's first unit.
- BroadcastHappy Together 3 recordingA recording broadcast on 16 June.
- BroadcastImmortal Songs broadcastI.O.I performed Bulnoriya in the Hong Seo-beom special, placing behind Clazziquai.
- ConcertDream Concert broadcastThe terrestrial edit aired with only the One Dream stage included; the full-group stages were shown later on SBS MTV.
- ReleaseASTRO music video filmingYoojung filmed as the lead in an ASTRO music video.
- Fan eventDIA comeback showcaseThe members appeared briefly on stage to support DIA at their comeback showcase.
- BroadcastGhost Story City recordingThe first recording for SBS Mobidic's web series, aired across 27 June and 4 July.
- ConcertKCON 2016 France broadcastThe Paris performance aired across Mnet and its sister channels, with only the PICK ME stage included.
- BroadcastHappy Together 3 broadcastThe 11 June recording aired.
- V LIVELAN Cable Friends first V LIVEA live broadcast from the second floor of the dorm promoting the upcoming reality series.
- BroadcastEoseoop SHOW broadcastThe 8 June recording aired.
- V LIVEI.O.I's BroadcastA morning wake-up V LIVE, broadcast bare-faced as a follow-up to the previous night.
- BroadcastBattle Trip recordingA follow-up recording after the Suwon concert.
- ConcertSuwon K-Pop Super ConcertThe first schedule performed as the unit rather than the full lineup, broadcast as a The Show special on 21 June.
- BroadcastCheonhajangsaThe two members appeared on JTBC's variety programme, including an ideal-type world cup segment.
- BroadcastHello Our Language broadcastThe malicious-comment run of the language programme aired across five weekday mornings.
- Music showThe Show Suwon special broadcastOnly the When the Cherry Blossoms Fade stage was broadcast from the Suwon concert.
- BroadcastEoseoop SHOW recordingA recording that aired across 1 and 8 July.
- V LIVELAN Cable Friends second V LIVEA seven-versus-seven game broadcast against I.B.I, the Produce 101 trainees who did not debut with the group.
- BroadcastEoseoop SHOW broadcastThe second half of the 8 June recording aired.
- EndorsementEtude House Facebook liveSomi hosted a brand live broadcast on Facebook.
- BroadcastGhost Story City playlist opensThe web series began publishing to its own playlist across the summer run.
- BroadcastBattle Trip broadcastThe Shanghai travel episode aired and was widely praised for the pair's hosting.
- ConcertPRISTIN concert appearanceThe two Pledis members appeared at their labelmates' concert, streamed live.
- BroadcastCheonhajangsa broadcastThe main episode featuring the two members aired.
- BroadcastGhost Story City episode 1The web series premiered on SBS Mobidic with five members, alongside a Facebook live broadcast.
- BroadcastEntourage recordingThe two members filmed cameo appearances for tvN's drama Entourage.
- Fan eventFancafe chat fanmeetingA thirty-minute online fanmeeting for winners of a May fancafe event.
- ReleaseUnit song recordingThe recording session for the unit's debut single.
July38 activities
- BroadcastEoseoop SHOW broadcastThe 22 June recording aired.
- BroadcastBattle Trip broadcastThe second half of the Shanghai travel episode aired.
- ConcertEtude Pink Play ConcertThe first full-lineup gathering since the Dream Concert, performing four songs at DDP.
- BroadcastMan Who Feeds the Dogs recordingA recording for Channel A's animal programme.
- EndorsementAuction commercial filmingA commercial shoot for the Auction shopping platform.
- BroadcastGhost Story City episode 2The second episode of the web series aired.
- BroadcastEoseoop SHOW recordingA recording that aired across 15 and 22 July.
- V LIVELAN Cable Friends V LIVETwo consecutive live broadcasts in the early afternoon, aired as episodes on 22 and 29 July.
- BroadcastLAN Cable Friends episode 1The group's second reality series premiered on Mnet, giving each member ten minutes of live fan requests.
- BroadcastMan Who Feeds the Dogs episode 1The members volunteered at a shelter for abandoned dogs in Yongin.
- ConcertKB Kookmin Bank Liiv ConcertA full-lineup stage at the Olympic Gymnastics Arena as part of the bank's endorsement deal.
- BroadcastMan Who Feeds the Dogs recordingA recording session filmed at Sohye's family cafe.
- BroadcastGhost Story City episode 3An episode featuring Nayoung, Doyeon, Sohye and Chungha.
- V LIVEGoodnight, LAN Time!An evening V LIVE broadcast that aired as an episode on 29 July.
- Festival & eventS-PLEX Center opening ceremonyA celebration performance of four songs at the centre's opening.
- BroadcastLAN Cable Friends episode 2The I.B.I game battle recorded on 23 June aired.
- BroadcastMan Who Feeds the Dogs episode 2The members took in three rescue dogs, naming them Milk, Bubble and Tea.
- BroadcastGhost Story City live recordingAn on-location recording broadcast live, aired across 25 July and 1 August.
- ConcertPark Concert BundangA seven-song full-lineup set at the outdoor stage of Bundang Central Park.
- BroadcastGhost Story City episode 4The 27 June recording aired.
- BroadcastEoseoop SHOW recordingA recording that aired across 29 July and 5 August.
- ReleaseWhatta Man music video filmingThe video shoot for the unit's debut single.
- BroadcastShoot for Love recordingA bowling-pin strike challenge from 70 metres, broadcast on 26 July.
- ReleaseAlbum jacket shootThe jacket photography for the unit single.
- BroadcastLAN Cable Friends episode 3The members had their faces read and spent a holiday at the Wolmido amusement park.
- BroadcastMan Who Feeds the Dogs episode 3A week of daily life with the three rescue dogs.
- Festival & eventDoosan Bears vs LG Twins first pitchThe two members threw the ceremonial first pitch and took the ceremonial first hit at Jamsil Baseball Stadium.
- BroadcastHit The Stage recordingChungha recorded for the dance competition programme, broadcast across 10 and 17 August.
- ConcertJTN ConcertA seven-song unit set at Jamsil Indoor Stadium, streamed to olleh tv subscribers.
- BroadcastGhost Story City episode 5The 16 July location recording aired.
- BroadcastLAN Cable Friends recordingA recording that aired on 5 August.
- BroadcastShoot for Love broadcastThe bowling challenge aired.
- MilestoneDeparture for KCON 2016 LAEight members flew to Los Angeles first, with the remaining three following two days later.
- MilestoneDeparture for KCON 2016 LAThe three members with separate schedules departed for Los Angeles.
- BroadcastLAN Cable Friends episode 4A holiday episode moving from Wolmido to Incheon Chinatown and a Ganghwado pension.
- BroadcastMan Who Feeds the Dogs episode 4The members made puppy food with Lee Sang-min and filmed adoption videos for the dogs.
- Fan eventKCON 2016 LA fanmeetingA fanmeeting held in Los Angeles ahead of the main concert.
- ConcertKCON 2016 LA concertI.O.I opened the concert with Dream Girls, PICK ME and When the Cherry Blossoms Fade; Chungha again featured on Amber Liu's Shake That Brass.
August47 activities
- BroadcastGhost Story City episode 6The 16 July recording aired.
- MilestoneReturn from Los AngelesThe group returned to Korea after KCON 2016 LA.
- V LIVEWhatta Man comeback D-6 V LIVEA comeback promotion broadcast; the members revealed the release had originally been planned as a digital single.
- ReleaseWhatta Man music video teaserThe morning teaser release for the unit's debut single.
- Festival & eventJeonju Ultimate Music FestivalAn evening festival stage at the 2016 JUMF.
- Festival & eventKB Kookmin Bank flag-sharing eventThree members attended the bank's Taegukgi sharing event.
- BroadcastLAN Cable Friends episode 5The final episode of the reality series aired.
- BroadcastI.O.I Comeback CountdownA late-night comeback special broadcast live on Mnet.
- V LIVEWhatta Man comeback D-1 V LIVEA choreography preview broadcast the day before release.
- BroadcastAfter School ClubA live appearance on Arirang TV's global idol programme.
- Music showM Countdown KCON LA broadcastThe KCON LA stages aired, including Chungha's Shake That Brass feature.
- ReleaseWhatta Man releasedThe seven-member unit released the single album Whatta Man (Good man) at midnight.
- BroadcastBon Appetit recordingA recording for JTBC's food programme, broadcast on 20 August.
- BroadcastHit The Stage episode 3Chungha's first performance on the dance competition aired.
- Music showM CountdownThe unit's first comeback stage, alongside a Dance Dance Together live segment and a mini fanmeeting.
- RadioMelon RadioA midday radio appearance promoting Whatta Man.
- Fan eventKensington Hotel fan signAn evening fan sign at the Kensington Hotel in Yeouido.
- Music showMusic BankA Whatta Man stage on the terrestrial music show.
- Fan eventAK Plaza Bundang fan signA midday fan sign at the AK Plaza Bundang branch.
- Fan eventDongja Art Hall fan signAn evening fan sign at Dongja Art Hall.
- Fan eventHowon Art Hall fan signAn afternoon fan sign at Howon Art Hall.
- ConcertMAMAMOO concert guestA guest appearance at MAMAMOO's concert.
- ReleaseHand in Hand remake releasedA remake of the 1988 Seoul Olympics song released to mark the Rio de Janeiro Olympics.
- Award showThe Show - first winWhatta Man took I.O.I's first music show win since debut.
- BroadcastHit The Stage episode 4The second half of Chungha's 24 July recording aired.
- Award showShow Champion - second winA second consecutive trophy for Whatta Man.
- Award showM Countdown - third winA third trophy for Whatta Man, followed by a celebration V LIVE.
- BroadcastMan Who Feeds the Dogs episode 7A further episode in the shelter-dog series.
- Award showMusic Bank - fourth winWhatta Man took the group's first terrestrial music show win.
- RadioSuper Junior's Kiss The RadioA late-evening radio appearance including a double-speed Whatta Man dance.
- BroadcastBon Appetit broadcastThe 10 August recording aired.
- BroadcastGolden Bell Challenge recordingThe unit recorded as invited performers, broadcast on 11 September.
- Festival & eventPetitzel Cool Summer Dessert PicnicA full-lineup brand performance at the Petitzel Theater.
- Music showSimply K-Pop recordingA pre-record for the Arirang music programme.
- BroadcastShow Champion profile rewriteA behind-the-scenes segment in which the members rewrote their official profiles.
- Music showThe ShowA Whatta Man stage placing second on the chart.
- Music showShow ChampionA Whatta Man stage placing second on the chart.
- BroadcastWeekly Idol recordingA recording for the idol variety programme, broadcast on 31 August.
- Music showM CountdownA Whatta Man stage during the closing week of promotions.
- V LIVEFlower, Wind and You recordingA V LIVE broadcast from the recording session for the collaboration track.
- Music showMusic BankA Whatta Man stage on the terrestrial music show.
- Music showSimply K-PopThe 22 August recording aired.
- EndorsementElite school uniform commercialA commercial shoot for the Elite school uniform brand.
- Award showThe Show - fifth winThe fifth and final music show trophy of the Whatta Man cycle.
- BroadcastYoo Hee-yeol's Sketchbook recordingA recording for KBS's live music talk programme, broadcast on 3 September.
- ReleaseLove You, Remember You releasedThe group's contribution to the Moon Lovers: Scarlet Heart Ryeo soundtrack was released at midnight.
- BroadcastWeekly Idol broadcastThe 24 August recording aired.
September31 activities
- Music showM CountdownA full-lineup appearance with Somi and Yoojung serving as special MCs.
- Music showMusic BankAn afternoon stage on the terrestrial music show.
- Music showSimply K-PopA morning music show appearance.
- Festival & eventYoung Samsung Homecoming DayAn evening corporate festival performance.
- BroadcastPledis Girls guest appearanceA guest appearance on the Pledis trainee programme.
- BroadcastYoo Hee-yeol's Sketchbook broadcastThe 30 August recording aired after midnight.
- ConcertTaekwondo Day Peace ConcertA performance at the 2016 commemorative peace concert.
- BroadcastGhost Story City episodeA further episode of the web series aired.
- Fan eventMEET&GREETA live fan-interaction broadcast on Mnet.
- Music showThe Show guest appearanceThe two members appeared as guests on the music show.
- ConcertWorld Taekwondo Day concert broadcastThe commemorative concert aired.
- BroadcastHello Friends recordingA recording broadcast on 18 September.
- BroadcastI Can See Your Voice season 3An appearance on the music guessing programme.
- Fan eventPaldo Wangttukkeong fanmeetingA full-lineup brand fanmeeting held in Yangjae.
- RadioPBC Peace Broadcasting open recordingAn open public radio recording.
- BroadcastGolden Bell Challenge broadcastThe 21 August recording aired, with the unit as invited performers.
- Fan eventDIA Spell showcaseThree members appeared as guests at DIA's comeback showcase.
- RadioPBC Peace Broadcasting broadcastThe open recording aired on radio and the Sky Peace channel.
- BroadcastHello Friends broadcastThe 8 September recording aired.
- BroadcastHit The Stage recordingChungha recorded for the programme's later episodes.
- BroadcastThe Return of SupermanAn appearance on KBS's family programme.
- BroadcastStar Show 360 filmingSohye began her fixed-cast run on the programme.
- ConcertOpen Concert recordingA recording at the Hongik University grounds.
- ConcertIncheon K-POP ConcertAn evening festival stage at Incheon Munhak Stadium.
- BroadcastStar Show 360 broadcastSohye's episode aired.
- BroadcastHit The Stage finaleChungha performed in the programme's final episode with the unit in the audience.
- Festival & eventLet's Run Park Winny World openingAn opening festival performance at Let's Run Park Seoul.
- Festival & eventDadohae Cup yacht festivalAn evening stage at Mokpo Peace Square during the international yacht race.
- Festival & eventGunjang College festivalA late-evening university festival stage in Gunsan.
- Festival & eventBupyeong Pungmul FestivalA late-evening festival stage in Bupyeong.
- Music showKorea Sale FESTA Music BankA Music Bank special broadcast for the national shopping festival.
October43 activities
- ConcertBusan One Asia Festival openingThe group's first SBS terrestrial appearance, broadcast live from the festival's opening performance.
- Festival & eventGongju Baekje Cultural Festival closingAn evening closing-ceremony performance.
- ConcertOpen Concert broadcastThe Hongik University recording aired.
- BroadcastStar Show 360 episode 3The episode aired twice in one day on MBC every1.
- Festival & eventRailroad University festivalA university festival stage.
- Festival & eventLS Networks Family FestivalAn evening corporate festival at Jamsil Students' Gymnasium.
- Festival & eventSeoul Yeouido Fireworks FestivalA festival appearance at the annual Yeouido fireworks event.
- BroadcastThe Show Warm Up TimeA behind-the-scenes segment for the music show.
- Fan eventBusan One Asia Festival fanmeetingAn afternoon fanmeeting during the festival.
- Festival & eventTogether U FestivalAn evening stage in front of Onyang Oncheon Station.
- BroadcastStar Show 360Sohye's episode aired twice on MBC every1.
- Music showThe Show hostingSomi continued her run as a host of the music show.
- Festival & eventKB Kookmin Bank Liiv DayAn evening brand event at KB Art Hall in Gangnam.
- ConcertINK Incheon K-POP ConcertA concert broadcast after midnight on KBS 2TV.
- BroadcastReally Really Really Miss You ShowA full-lineup comeback special broadcast late on Mnet ahead of the Miss Me? release.
- Releasemiss me? releasedThe second mini album and its title track Very Very Very brought all eleven members back together.
- Concertmiss me? showcaseThe comeback showcase for the second mini album.
- Music showThe Show Busan specialA Busan One Asia Festival special broadcast live, hosted by Somi.
- Music showShow ChampionA Very Very Very comeback stage; Chaeyeon was absent from the Jamkkanman stage.
- Music showM CountdownA live comeback stage followed by a Dance Dance Together segment and a mini fanmeeting.
- BroadcastM2 Dance RelayA relay dance video for Very Very Very released by Mnet's digital studio.
- Festival & eventMokpo Gayo FestivalAn evening festival stage in Mokpo.
- Music showMusic BankA Very Very Very stage on the terrestrial music show.
- ConcertKBS Youth Music ConcertAn evening concert recording.
- Fan eventKINTEX fan signA midday fan sign at KINTEX in Ilsan.
- BroadcastLearning is PlayAn educational programme recording for KBS 1TV.
- Fan eventGwanghwamun fan signA midday fan sign in Gwanghwamun.
- Fan eventKonkuk University fan signAn afternoon fan sign near Konkuk University.
- Music showSimply K-Pop recordingA morning pre-record for the Arirang music programme.
- Music showThe ShowA Very Very Very stage on the cable music show.
- BroadcastMV Bank Stardust 2A late-night appearance on the music video programme.
- Award showShow Champion - first full-group winVery Very Very took the eleven-member lineup's first music show trophy.
- Festival & eventDongseoul College festivalA late-evening university festival stage.
- Music showM Countdown in JejuA location broadcast from Jeju with Sejeong as special MC, taking a first-place win.
- ConcertLaughter Hope ConcertAn evening concert at the Incheon Bridge Memorial Hall.
- Music showMusic BankA Very Very Very stage on the terrestrial music show.
- Music showSimply K-PopA morning music show broadcast.
- Festival & eventForest Park Holic FestivalAn afternoon civic festival stage.
- Fan eventHowon Art Hall fan signA midday fan sign in Gangdong-gu.
- Award showInkigayo - first terrestrial winVery Very Very took the eleven-member lineup's first terrestrial music show win, completing a triple crown; the members were absent for other schedules.
- Festival & eventKB Stars basketball celebrationA celebration performance at Cheongju Indoor Gymnasium.
- Fan eventSinchon U-Plex fan signA morning fan sign at the Jade Hall on the tenth floor; Chaeyeon was absent for a separate schedule.
- Fan eventMwave MEET&GREETA live fan-interaction broadcast; Chaeyeon was absent for a separate schedule.
November42 activities
- Festival & eventMokpo Gayo Festival broadcastThe Mokpo festival stage aired on the local KBS channel.
- Music showThe ShowA Very Very Very stage on the cable music show.
- BroadcastMV Bank Stardust 2A late-night appearance on the music video programme.
- Music showShow ChampionAn evening stage on the cable music show.
- Music showM CountdownA Very Very Very stage during the closing weeks of promotion.
- BroadcastEntourage cameo broadcastThe two members' cameo appearances aired in the drama's first episode.
- Music showMusic BankAn afternoon terrestrial music show stage.
- Music showSimply K-PopA morning music show broadcast.
- Fan eventFan signA midday fan sign during the Miss Me? promotion cycle.
- BroadcastImmortal Songs recordingA recording that aired on 19 November.
- BroadcastStar Show 360Sohye's episode aired.
- Music showThe Show hostingSomi hosted the music show.
- BroadcastMV Bank Stardust 2A late-night appearance on the music video programme.
- Music showM Countdown special MCThe two members served as special MCs for the broadcast.
- Music showMusic BankAn afternoon terrestrial music show stage.
- ConcertLaughter Hope ConcertA late-evening concert broadcast on KBS W.
- BroadcastStar Show 360Sohye's episode aired.
- ReleaseHOOXI THE BEGINNING music videoSix members filmed the video for the WWF public campaign song.
- Music showThe Show hostingSomi hosted the music show.
- BroadcastBon Appetit recordingA recording for JTBC's food programme.
- BroadcastTrick & TrueSejeong appeared on the KBS programme.
- BroadcastAmigo TV recordingA full-lineup recording for JTBC Plus, including a late-night snack talk broadcast.
- BroadcastKnowing Brothers recordingA full-lineup recording that aired on 3 December.
- BroadcastYang and Nam ShowAn evening appearance on Mnet's talk programme.
- BroadcastKBS News 9 appearanceThe group appeared on KBS's flagship evening news.
- Music showMusic BankA Hope Gyeongju special broadcast supporting earthquake recovery.
- BroadcastImmortal Songs - one winThe group won their round in the Legend series after the 7 November recording.
- Award showMelon Music AwardsA full-lineup appearance at the 2016 Melon Music Awards.
- BroadcastHello CounselorSomi appeared on the talk programme.
- V LIVELet's Share The HeartA V FASHION live broadcast from the Allets filming site.
- Music showSimply K-Pop recordingChungha recorded as special MC.
- Music showThe Show hostingSomi hosted the music show.
- Fan eventPetit Book edition 2 fanmeetingAn afternoon brand fanmeeting for the product launch.
- BroadcastPhantom SingerThe two members appeared on JTBC's vocal competition programme.
- Music showSimply K-Pop special MCChungha's special MC episode aired.
- BroadcastBon Appetit broadcastThe 16 November recording aired.
- Fan eventHigh-touch fan eventAn afternoon high-touch event held at Penguin Cafe.
- BroadcastAbnormal SummitThe two members appeared on JTBC's discussion programme.
- Music showThe Show hostingSomi hosted the music show.
- Award showKorea Culture Entertainment AwardsI.O.I received the K-POP singer award at the 24th ceremony.
- ConcertMBN HERO ConcertAn evening concert performance.
- BroadcastSpeak Your MindSejeong appeared on JTBC's talk programme.
December32 activities
- BroadcastBon Appetit broadcastThe food programme episode aired.
- Award showMAMA - Best New Female ArtistI.O.I received their first rookie award at the Mnet Asian Music Awards.
- Award showMAMA red carpetThe full lineup walked the red carpet at the Asia World-Expo in Hong Kong.
- Music showSimply K-Pop special MCChungha's special MC episode aired.
- BroadcastKnowing Brothers episode 53The 17 November recording aired.
- Award showMAMA Best Performance broadcastThe performance special aired after midnight.
- ConcertMBN HERO Concert broadcastThe concert aired after midnight.
- Music showSimply K-Pop recordingChungha recorded as special MC.
- Music showThe Show hostingSomi hosted the music show.
- BroadcastIDOL BATTLE LIKESSomi hosted the KBS World programme.
- Award showMAMA behindThe behind-the-scenes special from the Hong Kong ceremony aired.
- Music showSimply K-Pop special MCChungha's special MC episode aired.
- ConcertGreat Korean People concertSohye appeared at EBS1's public-empathy concert.
- BroadcastGolden TambourineYoojung hosted the music variety programme with Somi appearing as a guest.
- Music showSimply K-Pop special MCChungha's special MC episode aired.
- ConcertHi1 Dream ConcertAn evening concert appearance.
- Festival & eventISU Short Track World CupA performance at the short track world cup in Gangneung.
- Festival & eventGangnam Square light street openingAn evening opening ceremony performance.
- BroadcastGame Show Yoo Hee Nak RakSohye began her fixed-cast run on the SBS gaming programme.
- BroadcastAmigo TV broadcastThe 17 November recording aired on JTBC2.
- BroadcastGolden TambourineYoojung hosted the programme.
- ConcertK.Will concert guestThe full lineup appeared as invited performers.
- Music showMusic Bank Gayo Top 10 specialA remix stage of PICK ME, Dream Girls, Whatta Man and Very Very Very for the anniversary special.
- Award showKBS Entertainment AwardsA full-lineup appearance at the annual ceremony.
- Award showKBS Entertainment Awards red carpetThe two members hosted the red carpet live broadcast.
- ConcertAilee concert guestThe unit appeared as invited performers.
- BroadcastGame Show Yoo Hee Nak RakSohye's episode aired.
- Award showKorea Culture Entertainment Awards broadcastThe recorded ceremony aired on KBS W.
- BroadcastGolden TambourineYoojung hosted the programme.
- ConcertKBS Song FestivalA full-lineup stage at the annual year-end music festival.
- BroadcastPops in SeoulAn appearance on Arirang TV's music programme.
- Award showKBS Drama AwardsThe unit appeared at the annual drama awards ceremony.
January29 activities
- DramaChildren of the 20th CenturyMina's television acting debut in a coming-of-age romantic comedy.
- RealityIdol Drama Operation TeamAn idol reality program that developed a scripted project and the Girls Next Door collaboration.
- DramaIdol FeverA web drama that brought Yoojung and Doyeon together in an idol-centered story.
- DramaKang Deok-soon's Love HistoryA KBS Drama Special and Sohye's first television lead role.
- DramaReunited WorldsA supporting television role in a fantasy romance about friends separated by time.
- DramaSchool 2017Sejeong's first television lead role, centered on a high-school student pursuing her creative ambitions.
- VarietySister's Slam DunkA variety project that formed Girls Next Door, introducing Somi to a broader television audience.
- BroadcastEBS Hanip TOEIC hostingSohye began a hosting run that continued until 14 June.
- Broadcast1 vs 100Sejeong appeared as the solo challenger on the quiz programme.
- RadioBae Sung-jae's TENSohye appeared on the SBS Power FM radio show.
- BroadcastGolden TambourineYoojung hosted the programme.
- ConcertPledis Girls Concert BYE & HIThe two Pledis members appeared at the label concert.
- BroadcastEntertainment WeeklyDoyeon appeared as a profiler on the entertainment news programme.
- BroadcastDuet Song FestivalThe two members appeared as panellists on the MBC music programme.
- Award showGolden Disc Awards - Best New ArtistI.O.I received the album division rookie award at the 31st Golden Disc Awards.
- BroadcastThe Return of SupermanA full-lineup appearance on the KBS family programme.
- BroadcastTok Tok Boni HaniAn appearance on the EBS children's programme.
- ReleaseDownpour releasedThe digital single Downpour was released at midnight as I.O.I's farewell song.
- Award showSeoul Music Awards - Rookie of the YearI.O.I received the rookie award; Somi also hosted part of the ceremony and the group held a surprise pre-rehearsal V LIVE.
- ConcertTime Slip - I.O.I concert day 1The first night of I.O.I's only headline concert, held at Jangchung Arena.
- ConcertTime Slip - I.O.I concert day 2The second night of the farewell concert.
- BroadcastAh! Sunday - Miracle Run hostingChungha began a hosting run on the EBS programme.
- ReleasePentagon Pretty Pretty music videoChungha appeared as the lead in Pentagon's music video.
- ConcertTime Slip - I.O.I final concertThe final performance of the farewell concert, streamed on olleh tv.
- EndorsementElite school uniform 2017 shootA photoshoot as the brand's 2017 season models.
- BroadcastGolden TambourineYoojung hosted the programme.
- MilestoneI.O.I farewell interviewThe original I.O.I project formally ended and the members returned to their own agencies.
- Award showInkigayo - Downpour first placeDownpour took first place on Inkigayo; the members were absent for other schedules.
- BroadcastSection TV Entertainment NewsThe group's final full-lineup broadcast interview.
February2 activities
March2 activities
April3 activities
May5 activities
- MilestoneFirst debut anniversaryThe first anniversary of I.O.I's debut.
- BroadcastProduce 101 season 2 ranking announcementMembers hosted the first ranking announcement and the dancing king selection.
- BroadcastIdol TVA full-lineup appearance on the idol programme.
- BroadcastProduce 101 season 2 behindA behind-the-scenes release from the second season.
- BroadcastGag ConcertSomi appeared on the KBS comedy programme.
June2 activities
August1 activities
September1 activities
October1 activities
November2 activities
January4 activities
- DramaShortA short-track speed-skating drama and one of Doyeon's early acting roles.
- BroadcastIdol Star Athletics Championships recordingEight members recorded for the Lunar New Year special.
- ReleaseChungha — Roller CoasterChungha released the Offset mini album, led by Roller Coaster.
- Award showSeoul Music Awards - Rookie AwardThe three members attended and gave a joint interview after receiving a rookie award.
February4 activities
- Releasegugudan — The BootsSejeong and Mina promoted in gugudan's Act.4 Cait Sith era.
- ReleaseHand in Hand remake releasedThe remake version of the Olympic song was released.
- BroadcastIdol Star Athletics Championships broadcastThe Lunar New Year special aired across two nights.
- Music showShow! Music Core hostingMina began a two-year run as a host of the terrestrial music show.
April4 activities
- BroadcastSuper TVFive members appeared on the XtvN variety programme across two weeks.
- BroadcastWeekly Idol congratulation specialThe two members appeared as part of the congratulation delegation.
- BroadcastBattle Trip recordingThe two members recorded a travel episode broadcast on 28 April.
- MilestoneProduce 48 recording reunionThe full lineup gathered for the first time in one year and three months since the final concert.
May2 activities
June2 activities
July3 activities
August1 activities
September2 activities
January7 activities
- DramaBest ChickenA television romantic comedy led by Sohye as a webtoon writer.
- DramaHotel del LunaA fantasy drama set in a hotel for ghosts, with Mina portraying a newly recruited staff member.
- DramaI Wanna Hear Your SongA mystery-romance drama led by Sejeong as a timpanist with fragmented memories.
- FilmMoonlit WinterA feature film about a mother and daughter whose winter trip to Japan opens a family story.
- DramaMy First First LoveA coming-of-age streaming series where Chaeyeon led the ensemble as a university student.
- ReleaseChungha — Gotta GoChungha opened 2019 with the digital single Gotta Go.
- BroadcastRunning Man surprise guestsThe two members appeared as surprise guests on the SBS variety programme.
May1 activities
June2 activities
September3 activities
December1 activities
January6 activities
- VarietyCast: The Golden Age of InsidersA variety program built around teamwork missions and changing character roles.
- DramaFlower of EvilA supporting role in tvN's thriller drama, portraying the younger version of Do Hae-soo.
- DramaHow to Buy a FriendA youth drama adapted from a webtoon, following students drawn into unexpected friendships.
- DramaLegend of FeiA Chinese wuxia drama with Jieqiong in the supporting cast.
- DramaMiss TruthA Chinese historical mystery in which a gifted coroner investigates cases in the Tang dynasty.
- DramaThe Uncanny CounterSejeong played a demon-hunting Counter across two seasons of the fantasy action series.
April2 activities
June1 activities
July2 activities
August1 activities
September1 activities
October1 activities
November1 activities
January5 activities
- DramaImitationA music-industry television drama adapted from the webtoon of the same name.
- DramaMoonshineA historical drama about a determined woman making liquor during a prohibition era.
- DramaOne the WomanA supporting role in the identity-switching romantic comedy.
- Musical theatreRed BookHer musical-theatre debut in a period story about a woman finding her own voice.
- DramaThe King's AffectionA historical drama about a crown prince who conceals her identity.
February2 activities
March1 activities
May1 activities
August1 activities
October1 activities
November1 activities
January9 activities
- DramaBe My PrincessA contemporary romance in which an actor wakes after an accident believing he is a prince.
- Musical theatreBungee Jumping of Their OwnA stage musical adapted from the Korean film, performed by Yeonjung during its 2022 run.
- DramaBusiness ProposalA romantic comedy in which Sejeong's character goes on a blind date in place of her friend.
- DramaCafe MinamdangA mystery-comedy drama in which Mina plays a former intelligence officer.
- Musical theatreCrash Landing on YouA musical-theatre adaptation of the hit drama, with Yeonjung playing pianist Seo Dan.
- RealityI Am SomiA personal reality series documenting Somi's day-to-day work and promotions.
- DramaThe Golden SpoonA contemporary fantasy drama about a student able to exchange families through a mysterious spoon.
- DramaThe Killer's Shopping ListA mystery thriller in which a supermarket receipt becomes a key clue.
- DramaToday's WebtoonA workplace drama following a former athlete beginning work at a webtoon editorial department.
February1 activities
July1 activities
September1 activities
October1 activities
November1 activities
December1 activities
January2 activities
April1 activities
August1 activities
September2 activities
October1 activities
December1 activities
January5 activities
- DramaBrewing LoveA romance drama pairing a passionate sales lead with a sensitive brewery owner.
- DramaFamily by ChoiceA warm ensemble drama about three people who grew up together and reconnect as adults.
- FilmIdiot Girls and School Ghost: School AnniversaryA feature-length school horror-comedy that gives Doyeon a leading screen role.
- Musical theatreLizzieA rock musical inspired by the Lizzie Borden story.
- BroadcastSOM-THING reunion episodeNine members reunited on Somi's YouTube channel.
