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Episode 1
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Show
Under Nineteen
언더나인틴
2018EndedSouth Korea100 min
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What's it about?
Be prepared to witness the birth of a new generation of K-pop idols. 57 aspiring boy band members will come to compete for a spot to be in a new K-pop idol group. The most important factors of being an idol are vocals, rap, and performance. Actress Park So Hyun is the host and the first official …
Where to stream?
KOCOWA+
Checked 08/22/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
Availability data partly provided by JustWatch via TMDB.
Cast
Eunhyuk
은혁
MC
14 episodes
Kim So-hyun
김소현
MC
14 episodes
Heo Sol-ji
허솔지
Vocal mentor
14 episodes
Crush
크러쉬
Vocal Mentor
14 episodes
Bae Hyeon-jun
14 episodes
Kim Jun-seo
김준서
Contestant
14 episodes
Shin Ye-chan
신예찬
Contestant
14 episodes
Kim Tae-woo
Self/ Contestant
14 episodes
Jung Jinsung
Self/ Contestant
14 episodes
Jeong Taek-hyeon
정택현
Self/ Contestant
14 episodes
Jeon Doyeom
Self/ Contestant
14 episodes
Yoo Yongha
Self/ Contestant
14 episodes
Lee Seung-hwan
이승환
Self/ Contestant
14 episodes
Park Sungwon
Self/ Contestant
14 episodes
U-Kwon
유권
1 episode
15 people — scroll sideways
Episodes
Season 1 — 14 episodes · from 11/03/2018
Page 1 of 1 · Episodes 1–14
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Episode 2
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Episode 3
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Episode 4
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Episode 5
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Episode 6
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Episode 7
As there are two teams for each position, the Position Competition is divided into Round 1 and Round 2. After the devastating loss of almost half their members, Team Rap’s Team “H.E.R” faces a crisis in their performance. During the rehearsals, everyone is intimidated by Team Vocals’ Team “I Need …
1 guest appearance
U-Kwon
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Episode 8
The three teams prepare for Round 2. With Team Rap in the lead, the other two teams are prepared to do their best to beat them. However, during their Interim Evaluations, the directors of Team Rap and Team Vocals are disappointed with the quality and decide that changes must be made to win.
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Episode 9
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Episode 10
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Episode 11
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Episode 12
It's the last mission before the live broadcast. Among the remaining trainees, only 25 will make it to the Collaboration Mission. During the Third Ranking Announcement, So Hyun has a surprising announcement regarding the dismissal of one of the trainees for misconduct. The Collaboration Mission …
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Episode 13
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Episode 14
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Image gallery
Posters (2)
Stills (3)
Images © their respective rights holders · Source: TMDB