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Episode 1
A science program where Lee Sugeun, who transferred to a science high school, and his all-knowing older brothers discuss the scientific technologies of the future.
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Show
Men on a Mission
아는 형님
2015AiringSouth Korea90 min
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What's it about?
A classroom where established stars are back at school: Kang Ho-dong, Seo Jang-hoon, Kim Hee-chul, Lee Soo-geun, and their classmates play high school students of the same age. Every week, celebrities arrive as “new students,” answer questions, and get pulled into games. Since everyone uses …
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Where to stream?
Rakuten Viki
Checked 09/15/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
OnDemandKorea
Checked 09/15/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
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Availability data partly provided by JustWatch via TMDB.
Cast
Kim Young-cheol
김영철
as themselves
546 episodes
Min Kyung-hoon
민경훈
as themselves
546 episodes
Kang Ho-dong
강호동
as themselves
546 episodes
Lee Su-geun
이수근
as themselves
546 episodes
Kim Hee-chul
김희철
as themselves
546 episodes
Seo Jang-hoon
서장훈
as themselves
546 episodes
Lee Sang-min
이상민
as themselves
546 episodes
Chang Hang-jun
장항준
as themselves
2 episodes
J
Jung Hyung-jin
as themselves
2 episodes
P
Park Hee-geon
as themselves
1 episode
L
Lim Hyeong-chan
as themselves
1 episode
Kwon Tae-won
권태원
as themselves
1 episode
Lee Min-ji
이민지
as themselves
1 episode
Kim Jeong-hoon
김정훈
as themselves
1 episode
K
Kim Ye-rin
김예린
as themselves
1 episode
S
So Areum
as themselves
1 episode
P
Park Areum
as themselves
1 episode
P
Park Se-jin
as themselves
1 episode
H
Han Ho-jeong
as themselves
1 episode
Shin Dong-woo
신동우
as themselves
1 episode
20 of 816 people — scroll sideways
Crew
Producer
Yeo Woon-hyeok
Director
Ha Ho-jin, Kim Sun-hyung, Park Da-eun, Hong Sang-hoon, Yoo Ki-hwan, Choi Chang-soo, Kim Jung-hun
Writer
Yoo Ji-hee, Choi Mi-yeon, Jung Yoon-hee, Lee Ji-young, Hwang Sun-young, Kim Yeo-won, Jeon Min-hee, Yoo Sung-mi
Episodes
2 seasons · 547 episodes in total
Specials — 1 episode · from 10/27/2024
Page 1 of 1 · Episode 1
Image gallery
Posters (10)
Stills (8)
Images © their respective rights holders · Source: TMDB