Episode 1: Episode 01
2005-11-2667 min
The class "KO One" takes students with all kinds of issues. This semester, a transfer student tries to vie for the "boss" position with Da-dong.
Season guide
KO One Season 1 — Episodes and Where to Watch
21 episodes · first aired 2005-11-26
TMDB does not provide a season overview.
Episode guide
Episode 2: Episode 02
2005-12-0365 min
The sound of Ding Xiao-yu playing the piano dissolves the tension. Da-dong lends out a helping hand when Arthur's father is in danger.
Episode 3: Episode 03
2005-12-1066 min
On the way back from visiting her brother's tomb, Tian Xin is kidnapped and forced to resign her teaching job. Da-dong's buddy returns to the country.
Episode 4: Episode 04
2005-12-1767 min
Jin Bao-san witnesses a side of Lei Ke-si that is unknown to others, but Da-dong calls on his classmates to take side jobs to help pay Ke-si's debt.
Episode 5: Episode 05
2005-12-2467 min
Lei Ke-si goes out of his way to please all the teachers and classmates while framing Arthur, making it difficult for the latter to reveal the truth.
Episode 6: Episode 06
2005-12-3166 min
An unexpected visitor turns up at Da-dong's house. Dean Jia Yong and Lei Ke-si both want to turn An-qi into their pawn.
Episode 7: Episode 07
2006-01-0766 min
A madly jealous Lei Ke-si continues to mislead An-qi as he tries to take this opportunity to confess his love to her. Arthur devises a scheme.
Episode 8: Episode 08
2006-01-1466 min
Lei Ke-si finally shows his true colors and launches a surprise attack on Da-dong. The two fight fiercely, yet one of them stops at the last moment.
Episode 9: Episode 09
2006-01-2167 min
Da-dong and An-qi gets back together as a lovey-dovey couple. A difficult decision awaits Tian Xin after she gets a new boyfriend.
Episode 10: Episode 10
2006-01-2866 min
Da-dong begins to rebel against the homeroom teacher and reverts back to his old aggressive self, which arouses the suspicion of An-qi and Arthur.
Episode 11: Episode 11
2006-02-0466 min
Da-dong wants to embarrass Shao-zong, who ends up winning the admiration of his classmates. Tian Xin uncovers the truth behind Shao-zong's exhaustion.
Episode 12: Episode 12
2006-02-1166 min
The entire class comes up with an idea to help Shao-zong reconcile with his biological mother. An-qi and Xiao-yu seem to be more than friends.
Episode 13: Episode 13
2006-02-1866 min
A mystery man appears multiple times but leaves each time when Tian Xin arrives. Da-dong's pastor dad has been hiding an astonishing secret.
Episode 14: Episode 14
2006-02-2566 min
The class teacher leaves without a word. An-qi comes over to comfort an unhappy Da-dong, who loses consciousness in an instant.
Episode 15: Episode 15
2006-03-0467 min
Da-dong receives a letter from An-qi. Being taken by surprise, he acts in a flurry and falls prey to Hei Long and Wu Shi.
Episode 16: Episode 16
2006-03-1166 min
Two sisters transfer to the class, and the younger one falls in love with Arthur at first sight. The new teacher puts the class in an uproar.
Episode 17: Episode 17
2006-03-1866 min
A comic set that predicts the future is about to be reprinted, which not only attracts great attention, but also people who intend to kill the author.
Episode 18: Episode 18
2006-03-2567 min
Da-dong sets out to advance his fighting power. Arthur becomes unusually short-tempered after being injured by his own sword in the stone.
Episode 19: Episode 19
2006-04-0166 min
Arthur becomes so delirious that he wants to harm those around him, but a powerful force of energy stops him at the critical moment.
Episode 20: Episode 20
2006-04-0865 min
Arthur must face a stern challenge. Wu-xiong's body is rapidly aging. A familiar face returns.
Episode 21: Episode 21
2006-04-1562 min
Da-dong's parents are missing, now even Arthur's father disappears for no reason. Everyone prepares for a battle of life and death.
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