First Up!
Episode: 1x01 | Airdate: Aug 29, 2018
Episode: 1x01 | Airdate: Aug 29, 2018
Episode: 1x02 | Airdate: Sep 5, 2018
Episode: 1x03 | Airdate: Sep 12, 2018
Episode: 1x04 | Airdate: Sep 19, 2018
Episode: 1x05 | Airdate: Sep 26, 2018
Episode: 1x06 | Airdate: Oct 3, 2018
Episode: 1x07 | Airdate: Oct 10, 2018
Episode: 1x08 | Airdate: Oct 17, 2018
Episode: 1x09 | Airdate: Oct 24, 2018
Episode: 1x10 | Airdate: Oct 31, 2018
Episode: 1x11 | Airdate: Nov 7, 2018
Episode: 1x12 | Airdate: Nov 14, 2018
Episode: 2x13 | Airdate: Apr 16, 2019
Ji Byeongsu
Episode: 2x14 | Airdate: Apr 23, 2019
Episode: 2x15 | Airdate: Apr 30, 2019
Yu Hojin
Episode: 2x16 | Airdate: May 7, 2019
Episode: 2x17 | Airdate: May 14, 2019
Episode: 2x18 | Airdate: May 21, 2019
Gim Se-un
Episode: 2x19 | Airdate: May 28, 2019
Kwon Hae-hyo, Dong Hyun Kim
Episode: 2x20 | Airdate: Jun 4, 2019
Ji Sang-ryeol
Episode: 2x21 | Airdate: Jun 11, 2019
I Jeongseong
Episode: 2x22 | Airdate: Jun 18, 2019
Episode: 2x23 | Airdate: Jun 25, 2019
Episode: 2x24 | Airdate: Jul 2, 2019
Episode: 2x25 | Airdate: Jul 9, 2019
Episode: 2x26 | Airdate: Jul 10, 2019
Episode: 2x27 | Airdate: Jul 23, 2019
Park Ji-sun
Episode: 2x28 | Airdate: Jul 30, 2019
Episode: 2x29 | Airdate: Aug 6, 2019
Episode: 2x30 | Airdate: Aug 13, 2019
Seo Kyoung-Duk
Episode: 2x31 | Airdate: Aug 20, 2019
Episode: 2x32 | Airdate: Aug 27, 2019
Cha Seung-won
Episode: 2x33 | Airdate: Sep 3, 2019
Episode: 2x34 | Airdate: Sep 10, 2019
Episode: 2x35 | Airdate: Sep 17, 2019
Kim Kwang-sun
Episode: 2x36 | Airdate: Sep 24, 2019
Episode: 2x37 | Airdate: Oct 1, 2019
Episode: 2x38 | Airdate: Oct 8, 2019
Episode: 2x39 | Airdate: Oct 15, 2019
I Yerim, Hwang Chanseop, Bak Jeongu, I Sunja, etc.
Episode: 2x40 | Airdate: Oct 22, 2019
Na Young-seok
Episode: 2x41 | Airdate: Oct 29, 2019
Episode: 2x42 | Airdate: Nov 5, 2019
Episode: 2x43 | Airdate: Nov 12, 2019
Episode: 2x44 | Airdate: Nov 19, 2019
Episode: 2x45 | Airdate: Nov 26, 2019
Episode: 2x46 | Airdate: Dec 3, 2019
Episode: 3x47 | Airdate: Mar 11, 2020
I Donghun (App Developer)
Episode: 3x48 | Airdate: Mar 18, 2020
Filmed in Studio
Episode: 3x49 | Airdate: Mar 25, 2020
Jung Jong-yeon (Producer), Gim Daeju & Gim Ranju (Screenwriters), Shin Won-ho (director), I Myeonghan
Episode: 3x50 | Airdate: Apr 15, 2020
To Be Able to Become a Page. Filmed in Studio.
Episode: 3x51 | Airdate: Apr 22, 2020
Jaejae (Producer), Francis, Jang Myeongsuk (Designer)
Episode: 3x52 | Airdate: Apr 29, 2020
Jin Yongjin (Video Editor), Yu Seongho (Forensic Doctor), Bak Jiseon (Criminal Psychologist), Pyo Chang-won(Criminal Profiler, Former Member of the National Assembly)
Episode: 3x53 | Airdate: May 6, 2020
Episode: 3x54 | Airdate: May 13, 2020
Jang Hyoin (Comedian), I Myeonghak (Professor)
Episode: 3x55 | Airdate: May 20, 2020 (110 min)
John Lee (Investor), Song Eun-i (TV Personality), Kim Shin-young (TV Personality), Gim Hangyu & Jang Boeun (Married Couple), I Sangyeop & Jo Beomsu (Designers)
Episode: 3x56 | Airdate: May 27, 2020 (110 min)
Jeong Munseong (Actor), Ahn Eun-jin (Actress), Gim Dongsik (Professor of Liver, Gall, and Pancreas), Namgung Hyeryun (Resident of Gynecology), Gim Minhye (Resident of Pediatrics), Choe Seokjae (First Aid Specialist), Song Seogwon (Professor of Cardiovascular Surgery)
Episode: 3x57 | Airdate: Jun 3, 2020 (110 min)
Bak Seonyeong (Announcer), Gim Jongha (Young Journalist), Kim Ho-joong (Singer), Cha Tae-hyun (Actor), Gim Bomin (Voice Actress)
Episode: 3x58 | Airdate: Jun 10, 2020 (110 min)
Jeon Jin-seo (Actor), Gim Seura (CEO of a Fresh Deliveries Company), Bak Taehun (CEO of an OTT Company), Gim Seho (CEO of an Apparels Company), Yeo Juhi (Former CEO of a Travel Agency)
Episode: 3x59 | Airdate: Jun 17, 2020 (110 min)
Kim Dong-hee (actor), Jo Usang (Judicial Apprentice), Gim Ijung (Scribe for Certificates), I Yerang (Pro Baseball Agent), Lee Sedol (Professional Go Player)
Episode: 3x60 | Airdate: Jun 24, 2020 (110 min)
Kim Min-jae (actor, born 1979), Mun Hanbit (Policeman), Yu Changjong (Lieutenant), Yun Seokho (Lieutenant), Go Gun (Lieutenant)
Episode: 3x61 | Airdate: Jul 1, 2020 (110 min)
Jeong Jongyun & Jeong Junho (Stage Costumers), Boo Seung-kwan (Singer), Yun Munhyeon (CEO of an Almond Supplier), Gang Gimun (Vice President of a Food Company), Baekhyun (Singer), Gim Jinyong (Infectious Disease Doctor)
Episode: 3x62 | Airdate: Jul 8, 2020 (110 min)
Im Ha-ryong, Gim Mingyeong, I Jaeyul & Jeon Suhui, I Yongjin & I Jinho, Son Minsu & Im Rara
Episode: 3x63 | Airdate: Jul 15, 2020 (110 min)
Bak Ilhwan (Former Supreme Court Justice), Cheon Jongho (Judge), Choe Yuna (Attorney), Ryu Cheolho (Court Guard), Bak Junhyeong (Attorney)
Episode: 3x64 | Airdate: Jul 22, 2020 (110 min)
Sinsaimdang (Online Creator), I Jonghak (KOMSCO), I Yongbeom & Song Jeongmin (Seoul Metropolitan Government), Sin Sangju (Financial Supervisory Service (South Korea))
Episode: 3x65 | Airdate: Jul 29, 2020 (110 min)
Jung Woo-sung (Actor), Gwon Munhyeon (Hotel Doorman), Gim Hojin (Digital Mortician), Jo Seok (Cartoonist), Hwang Sangman (Detective)
Episode: 3x66 | Airdate: Aug 5, 2020 (110 min)
Nam Hyeongdo (Journalist), Gim Yeji (Member of the National Assembly), Peter & Cargirl, Gim Changhan (Game Developer), Gim Sebyeol (CEO of a Specialized Clean-up Company)
Episode: 3x67 | Airdate: Aug 12, 2020 (110 min)
Bak Geonho (History Teacher), Mun Suil (Son of Independence Activist Sim Yeongsik), Han Sunok (Daughter of Patriotic Activist Han Dowon), Gim Dongu (Photographer)
Episode: 3x68 | Airdate: Aug 19, 2020 (110 min)
Park Jin-young (Singer), Bak Jeongho (Prison Guard), Seo Gwonsun (Actress), I Seunghun (Stroke Specialist), Sim Euni (Funeral Advisor)
Episode: 3x69 | Airdate: Aug 26, 2020 (110 min)
Yun Seokdeok (Inventor of Colored Lane Guidance Line), Yun Jonggye (Inventor of Yangnyeom Chicken), Gwon Yongtae (Inventor of Rabbit Hats), Yang Jaemyeong (Super Pumpkin Cultivator)
Episode: 3x70 | Airdate: Sep 2, 2020 (110 min)
I Seungju & Song Suyeong (Gen Z), Jin Hyeonu & O Jiu (Gen Y), I Ukjin (Gen X), I Jeonghi (386 Generation, Secretary General of YMCA), Min Seokgi (Industrialization Generation)
Episode: 3x71 | Airdate: Sep 9, 2020 (110 min)
Gim Seongmin & Choe Hyeonmin (Seoul Science High School), Seo Jieum (Songwriter), Im Duwon (Scientist), Gim Jimyeong (CSAT Full Scorer), Baek Huina (Children's Book Author)
Episode: 3x72 | Airdate: Sep 16, 2020 (110 min)
Byeon Sanghui & So Jaehyeon (Rookies), Gim Songjun (Deputy Manager at an Ad Agency), Yu Kkotbi (Team Manager a Brewery Company), Bak Gwangju (General Sales Manager at an Automotive Company), Bak Yongjun (CEO of a Fishcake Company)
Episode: 3x73 | Airdate: Sep 23, 2020 (110 min)
Shin Min-a (Actress), Gim Seontae (Chungju Municipal Government), Gim Taehyeon (Interpretation Officer), I Geumju (Air Traffic Controller), Gim Chunjae (Company Bulletin Board Manager)
Episode: 3x74 | Airdate: Sep 30, 2020 (110 min)
Inalchi (Band), I Suyeong (Chairperson of a Manufacturing Company), All Ready (Dance Duo), Faker (gamer), I Bongsik (1st Class of the Marine Corps)
Episode: 3x75 | Airdate: Oct 7, 2020 (110 min)
Gwon Dongho (Sign Language Translator), Solbi (Singer), Yun Seonyeong (Hand Model), Gim Gwanhoon (CEO of a Tteokbokki Company), Seok Nogi (Blacksmith)
Episode: 3x76 | Airdate: Oct 14, 2020
Bak Jeongmin (KMA Forecaster), I Jegil (Lighthouse Keeper), Gim Cheolmin (Customs Examiner), Gim Chanseok (Assistant Secretary)
Episode: 3x77 | Airdate: Oct 21, 2020 (110 min)
Gim Yeongsam (Dentist), Gang Yeonggwon (CEO of an Electric Bus Company), Park Seung-hi (Speed Skater), Song Jiheon (Policeman), Gwon Jinseong (Attorney)
Episode: 3x78 | Airdate: Oct 28, 2020 (110 min)
Gim Jaeyeon (CEO of a Meat-Serving Restaurant), Gim Gihwan (CEO of a Makgeolli Company), Wolf Schröder, Gim Jimin (Fishery Columnist), Gim Yongdeok (CEO of a Café)
Episode: 3x79 | Airdate: Nov 4, 2020 (110 min)
I Dongseop (Gene Analysis Specialist), Gim Huisong (Lie Detection Specialist), Gwak Yujin (Forensic Investigator), I Donggye (Trace Evidence Specialist), Bak Namgyu (President of the NFS)
Episode: 3x80 | Airdate: Nov 11, 2020 (110 min)
Jo Jinyeong (119 Situation Center), Gim Jinseon (Mountain Rescue Team), Sin Miae (Rescue Team), Bak Chiu (Forest Fire Fighters & Rescue Team), Gim Myeongbae (Fire Fighters)
Episode: 3x81 | Airdate: Nov 18, 2020 (110 min)
Jeong Sanghun (Teacher), Jo Gyutae & Jo Mingi, Han Sangwon (Guitarist), Chang Kiha (Singer), Gim Jeonghyeon (High School Student)
Episode: 3x82 | Airdate: Nov 25, 2020 (110 min)
Gong Yoo (Actor), Gim Jiyong (Psychiatric Specialist), I Jonghyo (CEO), Wolho (Buddhist Monk), Gang Bangcheon (Chairperson)
Episode: 3x83 | Airdate: Dec 2, 2020 (110 min)
Yu Yeonggwang (Opera Singer), Gim Myeongjung (Photographer), Shin Jin-seo (Professional Go Player), Yaongi (Web Cartoonist), Sora Choi (Model)
Episode: 3x84 | Airdate: Dec 9, 2020 (110 min)
Ju Ji-hoon (Actor), An Taeyang (CEO of a Food Company), I Seunggyu (Vice President of a Children's Education Company), Kim Eun-hee (Screenwriter)
Episode: 3x85 | Airdate: Dec 16, 2020 (110 min)
I Sujeong (Criminal Psychologist), I Jinsuk (Profiler), Hwang Mingu (Forensic Video Analyst), Gwon Ilyong (Profiler)
Episode: 3x86 | Airdate: Dec 23, 2020 (110 min)
Episode: 3x87 | Airdate: Dec 30, 2020 (110 min)
Song Jaeik (Former Football Broadcaster), Gang Sanghui (Former CSAT preparation member), Ryu Seungyeon (Former Flight Attendant), Heo Pilyong (Businessperson)
Episode: 3x88 | Airdate: Jan 6, 2021 (110 min)
Sin Jaemun (Medical Student), Ju Mija & I Yuja (Authors), Sin Useok (Movie Director), Won Taeyeon (Poet), I Seungjae (CEO of an Interior Platform Company)
Episode: 3x89 | Airdate: Jan 13, 2021
Bae Doona (Actress), I Ukjeong (Producing Director), Jeong Serang (Screenwriter), Gang Munjong (Professor), Rami (Photographer)
Episode: 3x90 | Airdate: Jan 20, 2021 (110 min)
Kim Jin-ho (singer), Gim Minsu & Gim Haejun (Comedians), I Jeonghwa (Calligrapher), I Hangyeong (Veterinarian), Bae Jaemin (Professional Gamer)
Episode: 3x91 | Airdate: Jan 27, 2021 (110 min)
Gim Taeyeong (Location Manager), An Dahun (Pro Baseball Player), Gim Yeongseon (Actress), Gim Seonung (Martial Arts Director), I Jongyeol (Piano Tuner)
Episode: 3x92 | Airdate: Feb 3, 2021 (110 min)
Kang Soo-jin (voice actor), Jeong Misun (Perfumer), Gang Seunggu (Policeman), Byeon Namseok (Balancing Artist), Gim Minji (Dietician)
Episode: 3x93 | Airdate: Feb 10, 2021 (110 min)
Ji Jin-hee (Actor), Yang Seungchan (CEO of a Snow Remover Start-up), Nam Hyeongju (Recorder Grandmaster), Gwon Ogil (Taxi Driver), Gwak Jaesik (Author)
Episode: 3x94 | Airdate: Feb 17, 2021 (110 min)
Heo Rin (Agency for Defense Development), Choe Hyeonuk (National Archives of Korea), Yun Jaewon (Incheon International Airport), Bak Chanam (White Hacker), Cheon Sanghyeon (Former Blue House Top Chef)
Episode: 3x95 | Airdate: Feb 24, 2021 (110 min)
Hwang Sunwon (Potato Researcher), Gim Jaehun (CEO of an Agricultural Company), Yun Jaewon (Ramen Soup Research Team Manager), Gim Hagyeong (CEO of a Toast Sandwich Company)
Episode: 3x96 | Airdate: Mar 3, 2021 (110 min)
Maeng Seongryeol (Woosuk University), I Horim & Gim Gyeongjun (Play-Actor & Dancer), Woo-Duk Chung (Korea Power Exchange), Choe Sangsik (Producing Director), Rain (entertainer)
Episode: 3x97 | Airdate: Mar 10, 2021 (110 min)
Gim Jinho (CEO of a Start-up), Gim Inhyeon (Korea University), Bak Migyeong (Doctor of Korean Medicine), Kwon O-chul (Astrophotographer), Jin Ki-joo (Actress)
Episode: 3x98 | Airdate: Mar 17, 2021 (110 min)
Brave Girls (Girl Group), Jeon Jaehong (Interpol), Jeong Huiseok (Policeman), Gim Yeongmi (Journalist), Seong Gwisu (Translator)
Episode: 3x99 | Airdate: Mar 24, 2021 (105 min)
BTS, Gim Jeonghyeon (BTS Fan)
You Quiz X BTS Special
Episode: 3x100 | Airdate: Mar 31, 2021
IU (singer), Gim Yubin (National Chess Athlete), I Seon (Voice Actress), I Jonghwa (Crisis Negotiation Specialist)
Episode: 3x101 | Airdate: Apr 7, 2021 (110 min)
I Cheolhui (Traffic Management Volunteer), Gim Gabyeon (Director of a Doll Hospital), Han Minhong (CEO of an Autonomous Vehicle Company), Gang Jongik (Head of a VFX Company), Gim Beomseok (Doctor of Oncology)
Episode: 3x102 | Airdate: Apr 14, 2021 (110 min)
Bak Daeseong (assistant director), Na Taeju (Poet), Nikki S. Lee (Artist), I Dongjin (Movie Critic)
Episode: 3x103 | Airdate: Apr 21, 2021 (110 min)
Jo Myeongsin (Doctor and Tattooist), Hapgi (Rapper, actor, and Law Office Manager), Sin Gyesuk (Chef of Chinese Cuisine and University Professor), I Munsu (Head of a Restaurant and Catholic Priest)
Episode: 3x104 | Airdate: Apr 28, 2021 (110 min)
Yun Byeongim (Stenographer), David Linton (Attorney, Descendant of an Independence Activist), Seo Aram (Prosecutor), Gim Donghyeon (Judge)
Episode: 3x105 | Airdate: May 5, 2021 (110 min)
Nam Changhui (TV Personality), Jee Seok-jin (Comedian), Gim Yeonghui (Producing Director)
Yoo Jae-suk's Debut 30th Anniversary Special
Episode: 3x106 | Airdate: May 12, 2021 (110 min)
Yeo Junyeong (Child), Gim Yeonjin (Call Center Agent), I Sangbae (Board Game Company CEO), Kwang Hyung Lee (President of KAIST)
Episode: 3x107 | Airdate: May 19, 2021 (110 min)
Lee Junsu (Lee Jong-hyuk's son), Kiejin Lee (Professor at Sogang University, father of CL (rapper)), Park Joon (Poet) & father Park Sangsu, Hong Jin-kyung (TV personality) & daughter Kim Rael
Episode: 3x108 | Airdate: May 26, 2021 (110 min)
Song Juseok (Roller Coaster Engineer), Seon Yongwon (Korea National Park Service), Jeong You Jeong (Author), Sumi Jo (Operatic Soprano)
Episode: 3x109 | Airdate: Jun 2, 2021 (110 min)
Park Jeong-min (actor), Gim Yeongdal (Plank (exercise) Enthusiast), Youn Yeo-Soon (Former Executive of a Chaebol, Sister of Youn Yuh-jung), Shin Seung Keon (Doctor at a Public Health Center)
Episode: 3x117 | Airdate: Jul 28, 2021 (106 min)
Sharon Choi (Director Bong Joon-ho's Interpreter), SG Wannabe (Vocal Group), Cho Seung-woo (Actor)
Episode: 3x118 | Airdate: Aug 11, 2021 (110 min)
Mun Seongjun (Policeman), Im Seyeong (Home Shopping Host), Go Gilseok (Auctioneer), Sin Hyerim (Organ Transplantation Coordinator)
Episode: 3x119 | Airdate: Aug 18, 2021 (110 min)
Episode: 3x120 | Airdate: Aug 25, 2021
Episode: 3x121 | Airdate: Sep 1, 2021 (110 min)
Cho Gu-ham (Judoka), Kim Su-ji (volleyball) & Yang Hyo-jin & Oh Ji-young (Volleyball Players), Girls' Generation (Girl Group)
Girls' Generation's Debut 14th Anniversary Reunion
Episode: 3x122 | Airdate: Sep 8, 2021 (110 min)
Baek Mi-kyung (Screenwriter), Jang Hang-jun (Film Director), Park Ji-sung (Former Professional Footballer), Gim Seokjung (Estate Sale Company CEO)
Episode: 3x123 | Airdate: Sep 15, 2021 (110 min)
Kim Bo-sung (Actor), Bae Yunseul (Paperer), Kim Go-eun (Actress), Choe Hyeonjun (Model)
Episode: 3x124 | Airdate: Sep 29, 2021 (110 min)
I Soyeong (Art Collector), Jeon Jun Han (Opera Singer), Gim Dahyeon (FIRE movement follower), Han Dong-ki (Bodybuilder)
Episode: 3x125 | Airdate: Oct 6, 2021 (110 min)
Lee Jung Yong (Actor), Dario Lee (Actor), Han Giung (Journalist), Lee PD (Journalist)
Episode: 3x126 | Airdate: Oct 13, 2021 (110 min)
Ok Hyojin (Elementary School Teacher), Lee Yejin (Lydia Lee, Singer), Baek Naksam (Wedding Hall Owner), Choe Ina (Bookstore Owner)
Episode: 3x127 | Airdate: Oct 20, 2021 (110 min)
Jo Hyeon-gwon (Priest), I Gangbin & I Seulbin (Dancers), Gim Ssangsik (Baker), Jung Ho-Yeon (Actress)
Episode: 3x128 | Airdate: Oct 27, 2021 (110 min)
Sin Seungjae & Cheon Hyerin (Farmer Couple), Gim Gihun (Teacher), Bak Hyeran (Author, Mother of Lee Juck), Lucid Fall (Singer)
Episode: 3x129 | Airdate: Nov 3, 2021 (115 min)
Im Hyeonggyu (Janggu Performer), Street Woman Fighter Team Leaders (Dancers)
Episode: 3x130 | Airdate: Nov 10, 2021 (110 min)
Bak Gyeokpo (Senior Master Sergeant of ROKAF), Im Sinbok (Nurse), Kim Nodong (Professor at Suwon Science College), O Seyong (Mail Carrier), Bae Taerang (Firefighter)
Episode: 3x131 | Airdate: Nov 17, 2021 (110 min)
Yeo Junseok (Basketball Player), Senior Master Sergeant Lee (ROKAF Combat Control Team), Youngmi Woo (Fashion Designer), Yoon Kye-sang (Singer and Actor)
Episode: 3x132 | Airdate: Nov 24, 2021 (110 min)
Jeon Manbae & Jeon Jongryeol (Blacksmiths), Jang Jongsu (CEO of a Pollock Roe Manufacturer), Patrick van Wolput (Owner of a Waffle Shop), Gim Seonja & Bak Eunsun (Owners of a Tteokbokki House)
Episode: 3x133 | Airdate: Dec 1, 2021 (105 min)
Yuk Jiseung (Elementary School Student), Gim Suwon & I Jiyeon (Zookeepers), Heejin Min (CEO of a Record Label), Choi Woo-shik (Actor)
Episode: 3x134 | Airdate: Dec 8, 2021 (110 min)
Oh Seunghun (Lecturer) & Oh Ji Heon (Comedian), Yoon Hoo (Cast of Dad! Where Are We Going?), Lee Jung-hoo (Baseball Player), AKMU Lee Chan-hyuk & Lee Su-hyun (Singers)
Episode: 3x135 | Airdate: Dec 15, 2021 (110 min)
Hwang Jiyeon (Manager at a Cosmetics Retailer), Won Juyeon (Developer of Hot Chicken Flavor Ramen at a Food Company), Lee Sung-Ho (CEO of a Digital Design Company), Koo Kyo-hwan (Actor)
Episode: 3x136 | Airdate: Dec 22, 2021 (110 min)
Choe Yeonghyeong (Bus Driver), Yoo Yongwook (Barbecue Restaurant Owner), Yu Nayeong (Department Store Brand Visuals Manager), Lee Dong-wook (Actor)
Episode: 3x137 | Airdate: Jan 12, 2022 (110 min)
Bak Gyeongjae (Game Developer), Im Minyeong (Fashion Store Merchandiser), Moon Sung-uk (CEO of a Workplace Community App Operator), Lee Jung-jae (Actor)
Episode: 3x138 | Airdate: Jan 19, 2022 (110 min)
Jeon Jonggwan (Obstetrician), Gim Miran (Doctor of Women's Health), Gang Changmu (Hepato-Biliary-Pancreatic Surgeon), Yang Changmo (House Call Doctor)
Episode: 3x139 | Airdate: Jan 26, 2022 (110 min)
Im Taek (Travel Writer), Hwang Sun-woo (Swimmer), Lee Malnyeon (Former Webtoon Artist), René Dupont (Catholic Bishop)
Episode: 3x140 | Airdate: Feb 2, 2022 (110 min)
Gim Hyeonmu (First Officer of a Deep Sea Fishing Vessel), Jo Yongmun (Subway Courier), Bak Gangbin (University Student), Ho Won-sook (Writer, Daughter of Park Wan-suh)
Episode: 3x141 | Airdate: Feb 9, 2022 (110 min)
Keykney (Cartoonist), Jeong Gyeonggyo (Martial Artist), Im Gijong (Burden Carrier), Go Soo (Actor)
Episode: 3x142 | Airdate: Feb 16, 2022 (110 min)
Son Ye-jin (Actress), Daesoo Kim (Professor of Neuroscience), Gim Doyun & Eom Gyumin (Bases for Characters in Drama Our Beloved Summer), Keon-su Lee (Professor of Law Enforcement)
Episode: 3x143 | Airdate: Feb 23, 2022 (110 min)
Lee Daeyang (Webtoon Artist), Kim Na-young (television personality), Hwang Seok Hee (Translator), Yu Seongwon (Patent Attorney)
Episode: 3x144 | Airdate: Mar 2, 2022
National Short-track speed skating Athletes of South Korea (Kwak Yoon-gy, Kim Dong-wook, Park Jang-hyuk, Hwang Dae-heon, Lee June-seo, Kim A-lang, Choi Min-jeong, Park Jiyun, Lee Yu-bin, Seo Whi-min), Park Jaemin (Television Personality), Cha Jun-hwan (Figure Skater)
Episode: 3x145 | Airdate: Mar 16, 2022 (110 min)
Im Jae-hyuk (Actor), National Curling Athletes of South Korea, Jung Jiung (Actor Jung Eun-pyo's Son), Lee Min-jung (Actress)
Episode: 3x146 | Airdate: Mar 23, 2022 (110 min)
Hong Jin-ho (Former Professional Gamer), Ipjjalbeunhaetnim (Mukbang YouTuber), Youn Yuh-jung (Actress)
Episode: 3x147 | Airdate: Mar 30, 2022 (110 min)
Im Ikgang (Colorectal Surgeon), Jonathan Yombi (TV Personality) & Patricia Yombi (Jonathan's Sister), Gu Bonjin (Graphologist), Park Hee-soon (Actor)
Episode: 3x148 | Airdate: Apr 6, 2022 (110 min)
Chae Kijoon & Lee Sang-Don & Hwang Gyu-Ho (Vocal Ensemble of University Professors), Michelle Jong Ryung Lim (Interpreter), Han Moonchul (Lawyer), Kim Jongki (Social Activist)
Episode: 3x149 | Airdate: Apr 13, 2022 (110 min)
Gim Yeongtae (Undercover Patrol Officer), Gim Jinyeong (Forensic Investigator), An Byeong Heon (Probation Support Officer), Ra Sanghun (Aerial Firefighter)
Episode: 3x150 | Airdate: Apr 20, 2022 (110 min)
Lee Soeun (Singer, Attorney), Im Se-a (Dancer, Designer), I Seongyeop (Banker), Yoon Suk-yeol (Politician, 2022 President-Elect of South Korea)
Episode: 3x151 | Airdate: Apr 27, 2022 (110 min)
Gim Eojin (Birdwatcher), Jeong Yeongmi (Translator of Ancient Literature), Myeong Eopsik (Taxi Driver), Park Bo-young (Actress)
Episode: 3x152 | Airdate: May 4, 2022 (110 min)
Kang Hyeong-Wook (Dog Trainer), Jung Chan-sung (Mixed Martial Artist), Lim Young-woong (Singer)
Episode: 3x153 | Airdate: May 11, 2022 (110 min)
Kim Minseop (Educator) & Kim Minseop (Born 1993), Han Kyung-rok (Bassist for the Band Crying Nut), Gwon Hyejeong & Gim Dohyeon & Yun Suim (Elementary School Students), Choi Jae-cheon (Ecologist)
Episode: 3x154 | Airdate: May 18, 2022 (110 min)
Laure Mafo (Pansori Singer), Kim Suji (Announcer), Jo Geunsik (Pharmacist), Kim Young-ha (Writer)
Episode: 3x155 | Airdate: May 25, 2022 (110 min)
Heo Tae-gyun (Social Psychologist), Bak Hyangja & Gim Yeongja & Baek Seongja (Hip Hop Crew), Shin Soon-kyu (Financial Analyst), CL (rapper)
Episode: 3x156 | Airdate: Jun 8, 2022 (110 min)
I Myeonghui & Jo Heonju (Mother and Daughter), Arul James & Arul Xavier (Catholic Priests), Kim Sun-min & Kim Won-sik (Football Players), Lee Hae-ri & Kang Min-kyung (Singers)
Episode: 3x157 | Airdate: Jun 15, 2022 (110 min)
Chung Sun-Gun (Professor of Physiatry), Im Cheonsuk (Singer Im Chan-mi's Mother), Bak Juyeong (District Court Judge), Yoo Ji-tae (Actor)
Episode: 3x158 | Airdate: Jun 22, 2022 (110 min)
O Geonyeong (Economic Consultant), Hong Inhye (Webtoon Artist), Kwak Sang-eun (Reporter), Koo Jun-yup (Singer)
Episode: 3x159 | Airdate: Jun 22, 2022 (110 min)
Im Chaewon (Prosecutor), Kim Seonggwon (Physician, Father of Kim So-hyun), I Juyeong (Taekwondo Player), Lee Jun-ho (Singer, Actor)
Episode: 3x160 | Airdate: Jul 6, 2022 (110 min)
Bak Seryeong (Sport stacking Player), Jo Jinhyeon & Song Nakhun (Camera Operators), Park Hang-seo (football manager), Han Ji-min (Actress)
Episode: 3x161 | Airdate: Jul 13, 2022 (110 min)
No Yeongseon (Doctor of Emergency Medicine), Park Kyung-lim (TV Personality), Sang Wook Kim (Physicist), Bae Cheol-soo & Gu Changmo (Members of the Band Songgolmae)
Episode: 3x162 | Airdate: Jul 20, 2022 (110 min)
I Jeongwon (Music College Student, Appeared in Episode 1), Alan Kim (Actor), Kim Shin-young (Comedian, Actress), Go Jeonghwan (Nuri Rocket Development Lead)
Episode: 4x163 | Airdate: Oct 5, 2022 (110 min)
Ha Joon-woo (Jump Rope Athlete), Kim Shin-wook (Writer), Kim Han-min (Film Director, Screenwriter), Park Eun-bin (Actress)
Episode: 4x164 | Airdate: Oct 12, 2022 (110 min)
Moon Sang-hoon (Actor), Jang Won-seok (Film Producer), Jeong Na-rae (Choir Conductor), So Ji-sub (Actor)
Episode: 4x165 | Airdate: Oct 19, 2022 (110 min)
Kim Gyeol (Cockroach Man),[8] Kim Han-kyeom (Professor), Lee Hye-ri (Actress), Joo Ho-min (Youtuber)
Episode: 4x166 | Airdate: Oct 26, 2022 (110 min)
Bae Yu-jin (Model), Choi Won-ho (Stock trader, Park Tae-joon's Father-in-law),[9] Jin Seon-kyu (Actor), Lee Dae-ho (Former Baseball Player)
Episode: 4x167 | Airdate: Nov 9, 2022 (110 min)
Paul Kim (Educator), Yoo Hong-joon (University Professor, Critic), Lee Seo-jin (Actor)
Episode: 4x168 | Airdate: Nov 16, 2022 (110 min)
Jung Yoon (Ssireum Wrestler), Oh Se-yeon (Film Director), Lee Beom-sik (Professor), Yoo Hae-jin (Actor)
Episode: 4x169 | Airdate: Nov 23, 2022 (110 min)
Cho Hye-seung (New Developer at Naver), Yoo Taek-geun (Tile Worker), Lois Kim (Employee at Google), Sean (Singer, Member of Jinusean)
Episode: 4x170 | Airdate: Nov 30, 2022 (110 min)
Nam Yoo-jin, Bae Hye-ji, Oh Yo-anna (Weather Forecasters), Kim Boong-nyeon (Pediatrician), Son Suk-ku (Actor)
Episode: 4x171 | Airdate: Dec 7, 2022 (110 min)
Park Jeong-ha (Survivor of the Bonghwa Mine Incident), Lee Dong-won (Producing Director), g.o.d (Boy Group)
Episode: 4x172 | Airdate: Dec 14, 2022 (110 min)
Kim Sang-gyu (Pilot), NewJeans (Girl Group), Son Woong-jung (Football Coach, Father of Son Heung-min)
Episode: 4x173 | Airdate: Dec 21, 2022 (110 min)
Oh Seung-hoon (Announcer), Class 6-1 of the Sungchang Elementary School, Choi Soo-hyuk & Kwon Ha-eun (Full Scorers of the 2023 CSAT), Kim Min-jae & Hwang In-beom (Footballers)
Episode: 4x174 | Airdate: Dec 28, 2022
Jin Myeong (Buddhist Monk), Jin Kim (Protestant Pastor), Cha Paulus (Catholic Priest), Forestella (Music Group), Cho Gue-sung (Footballer)
Episode: 4x175 | Airdate: Jan 4, 2023
Episode: 4x176 | Airdate: Jan 11, 2023
Episode: 4x177 | Airdate: Jan 18, 2023
Episode: 4x178 | Airdate: Jan 25, 2023
Episode: 4x179 | Airdate: Feb 1, 2023
Episode: 4x180 | Airdate: Feb 8, 2023
Episode: 4x181 | Airdate: Feb 15, 2023
Episode: 4x182 | Airdate: Feb 22, 2023
Episode: 4x183 | Airdate: Mar 1, 2023
Episode: 4x184 | Airdate: Mar 8, 2023
Episode: 4x185 | Airdate: Mar 15, 2023 (110 min)
Hwang Kwang-hee (Singer/TV Personality), Republic of Korea Emergency Rescue Team[g], Yoshihiro Akiyama/Choo Sung-hoon (Mixed Martial Arts Athlete)
Episode: 4x186 | Airdate: Mar 22, 2023 (110 min)
Lee Ji-sun (Professor), Lee Do-hyun (Actor), Seong-Jin Cho (Pianist)
Episode: 4x187 | Airdate: Mar 29, 2023 (110 min)
Choe Chang-ho (Descendent of Gyeongju Choe clan), Jeon Do-yeon (Actress)
Episode: 4x188 | Airdate: Apr 5, 2023 (110 min)
Andrés Albiol (Locomotive Engineer), Lee Jin-ah (Police Officer), Kim Yong-jin (Hanbok Designer), Sung Si-kyung (Singer)
Episode: 4x189 | Airdate: Apr 12, 2023 (100 min)
Han Jeong-sook (Dietitian), Yoon Soo-bin & Jang Hye-jin (Seoul National University Hospital Pharmaceutical Department), Kim Hee-ae (Actress)
Episode: 4x190 | Airdate: Apr 19, 2023 (100 min)
Lee Chae-un (Snowboarder), Lee Byeong-heon (Movie Director), Lee Je-hoon (Actor)
Episode: 4x191 | Airdate: Apr 26, 2023 (100 min)
Hong Yeon-jin (Artistic Swimmer & Cirque du Soleil Coach), Orbit (Science Content Creator)[h], Taeyang (Singer)
Episode: 4x192 | Airdate: May 3, 2023 (100 min)
Lee Bo-mi & Kwak Eun-jin (Korea Sings Contestants), Epik High (Hip-hop trio), Kim So-yeon (Actress)
Episode: 4x193 | Airdate: May 10, 2023 (100 min)
Lee Yu-jin (Head of Sleep Center), Kim Soo-jung (Cartoonist), Kim Woo-bin (Actor/Model)
Episode: 4x194 | Airdate: May 17, 2023 (100 min)
Yoo Joon-ha (Footballer), Kim So-jeong (PD), Ryoo Seung-bum (Actor)
Episode: 4x195 | Airdate: May 24, 2023 (110 min)
Lee Dong-kyu (Professor), Kim Hwan & Park Doo-re (Parents of quadruplets), Kang Chul-won (Zookeeper), Lee Geum-hee (Broadcaster)
Episode: 4x196 | Airdate: May 31, 2023 (100 min)
Kim Woo-joo (Dance Boy), Jeong Dong-sik (Soccer Referee), Kim Yeon-koung (Volleyball Player)
Episode: 4x197 | Airdate: Jun 7, 2023 (100 min)
Karimi Anwar (Iranian Expatriate), Moon Ki-ho (Army Surgeon), Uhm Jung-hwa (Singer/Actress)
Episode: 4x198 | Airdate: Jun 14, 2023
Episode: 4x199 | Airdate: Jun 21, 2023
Episode: 4x200 | Airdate: Jun 28, 2023
Episode: 4x201 | Airdate: Jul 5, 2023
Episode: 4x202 | Airdate: Jul 12, 2023
Episode: 4x203 | Airdate: Jul 19, 2023 (100 min)
Han Ho-yong (Home Shopping Mukbang Model), Kim Hyun-sook (Korea Sings Contestant), Jung Myeong-won (Daegu District Prosecutor's Office), Joo Hyun-young (Actress)
Episode: 4x204 | Airdate: Jul 26, 2023 (100 min)
Lee Jung-tae & Oh Eun-seok (CEOs of Geekble), Cho Byung-young (Professor), Namkoong Min (Actor)
Episode: 4x205 | Airdate: Aug 2, 2023 (100 min)
Sohn Sang-mo (Astronomer from Space Telescope Science Institute), Ahn Dae-sung (Vocal Therapist), Lim Ji-yeon (Actress)
Episode: 4x206 | Airdate: Aug 9, 2023 (100 min)
Min Si-woo (Child Poet), Seo Ryeo-kyung (Doctor/Boxer), Lee Byung-hun (Actor)
Episode: 4x207 | Airdate: Aug 16, 2023 (90 min)
Heo Joo-haeng (Beekeeper), Bae Soo-hyun (Cheerleader), Hwa Ji-ye (Youtuber), Kim Hee-sun (Actress)
Episode: 4x208 | Airdate: Aug 23, 2023 (100 min)
Kim Ki-woong, Kim Kang-yeon & Kim Taek-yeon (Elementary School Teacher and Students), Angela Sen (Cognitive Behavioral Psychotherapist), Lee Dae-woo (Police Chief Superintendent of Seodaemun Police Station), Jung Yu-mi (Actress)
Episode: 4x209 | Airdate: Aug 30, 2023 (100 min)
Kim Hwi-woo (Student), Yoon Soon-jin (Professor / Environmental Risk Expert), Cho Young-min (Professor / Diabetes Expert), Lee Joon-gi (Actor)
Episode: 4x210 | Airdate: Sep 6, 2023 (90 min)
Cheon Jong-won (Boulderer), Shin Eun-su & Cho Yong-in (Developers of Terrorism Alert Application Terrorless), Kim Ki-ho & Park Soo-young (Gold Foil Decorators), V (Singer, Member of BTS)
Episode: 4x211 | Airdate: Sep 13, 2023 (90 min)
Cho Sun-mi (Professor), Kim Jung-min & Kim Ja-hee (Owners of Starlite Deli), Gang Dong-won (Actor)
Episode: 4x212 | Airdate: Sep 20, 2023 (90 min)
Kim Ye-bin, Park Ji-sol & Hong Yeon-woo (Members of Little K-Tigers), Seo Seung-ho & Cho Young-seok (Lotte World Tower Outer Walls Specialists), DEX/Kim Jin-young (Television Personality), Kim Nam-gil (Actor)
Episode: 4x213 | Airdate: Sep 27, 2023 (90 min)
Pak Se-ri (Retired Golfer), Yoon Do-hyun (Singer-songwriter, vocal of YB)
Episode: 4x214 | Airdate: Oct 11, 2023 (90 min)
Lee Da-seul (Voice Actress), Oh Sang-woo (Professor/Obesity Expert), Yang Jae-hoon, Lee Ho-joon, Kim Woo-min & Hwang Sun-woo (Swimmers), Oh Jung-se (Actor)
Episode: 4x215 | Airdate: Oct 18, 2023 (90 min)
Koo Hee-ah (Korea Sings Contestant), Kim Kwang-woo (Professional Gamer), Kim Seong-mok (Weather Forecaster), Shin Hye-sun (Actress)
Episode: 4x216 | Airdate: Oct 25, 2023 (90 min)
Shin Yu-bin (Table Tennis Player), Yoon Doo-yeon (Fireworks Designer), Yoo Byung-jae (Television Personality) & Yoo Kyu-seon (Manager of Yoo Byung-jae), Hwang Sun-hong (Manager of the South Korea national under-23 football team), Paik Seung-ho, Um Won-sang & Son Min-kyu (South Korea national under-23 football team players)
Episode: 4x217 | Airdate: Nov 1, 2023 (90 min)
Lee Hyo-chul (Internet Personality/Slickback Expert) & Cheon Ae-jung (Mother of Lee Hyo-chul), Park Jin-young (Founder of JYP Entertainment) & Bang Si-hyuk (Founder of Big Hit Music & Hybe Corporation)
Episode: 4x218 | Airdate: Nov 8, 2023 (90 min)
Seo Yong-sang (Baker), Kim Yong-man (Owner of Kim's Video and Music), Lee Eun-young & Kim In-hwan (Employees of Samsung Electronics), Choi Soo-jong (Actor)
Episode: 4x219 | Airdate: Nov 15, 2023 (90 min)
Kim Ji-yoon (Professor/International Affairs Expert), Koo Cheol-soo (Teacher), Kim Ha-seong (Baseball Player), Im Soo-jung (Actress)
Episode: 4x220 | Airdate: Nov 22, 2023 (90 min)
Seo Joo-hyang (Tightrope Walker), Oh Ji-hwan & Im Chan-kyu (Baseball Players), Yoo Yeon-seok (Actor)
Episode: 4x221 | Airdate: Nov 29, 2023 (90 min)
Yang Young-chul (Professor/Health, Environment & Safety Expert), Seo Young-gab (Bodybuilder), Kim Ji-yoon (Professor/International Affairs Expert), Ha Ji-won (Actress)
Episode: 4x222 | Airdate: Dec 6, 2023 (90 min)
Lee Jin-hyung (Professor at Stanford University), Kim Rok-ho (Director of World Health Organization Science Department), Ahn Eun-jin (Actress)
Episode: 4x223 | Airdate: Dec 13, 2023 (90 min)
Kim Jung-ja (Eldest College Scholastic Ability Test Taker), Song Tae-wook (Police Officer), Park Seo-joon (Actor)
Episode: 4x224 | Airdate: Dec 20, 2023 (90 min)
Lee Chae-hyun & Kim Ye-hwa (Daejeon Girl's Commercial High School Graduates), Yoo Eui-bae (Priest), Faker (Professional League of Legends Gamer)
Episode: 4x225 | Airdate: Dec 27, 2023 (90 min)
Suh Jin-kyu & Cho Sung-ah (Mother & Daughter / Formerly of United States Forces Korea and Harvard University), Kim Chang-ok (Speaker/Communication Expert), Jang Na-ra (Actress, Singer)