In the school known as KO One, all the delinquents and misfits from other high schools are sent there and there is a ranking system for the students that is strictly respected. The leader of the students is Wang Da Dong (Jiro Wang), who is known as KO.3. But when Da Dong is suddenly transported 10 years into the future by a strange inter-dimensional timequake, he finds that all of his friends have disappeared and the class of KO One is now ruled by a mysterious girl named King (Pets Tseng). Can Da Dong get to the bottom of the mystery and find out what happened to all his friends? “KO One Return” is the second season of the popular “KO One” drama series that originally aired in 2012 and is directed by Ke Zheng Ming and Lin Qing Fang. Season 1 of “KO One” originally aired in 2005. Season 3 was called “KO One Re-Act” and originally aired in 2013. Season 4 has been confirmed and will be called “KO One Re-Task” and will air in 2016.

Original title
Romanized title
Zhong Ji Yi Ban Er
Also known as
KO One 2, KO One Season 2
Volunteer Team
KO ONE Class of 2013
Broadcast Period
12-26-2012 to 02-05-2013


KO One Return Episode 1
Episode 1
EN 91% Taiwan
KO One Return Episode 2
Episode 2
EN 91% Taiwan
KO One Return Episode 3
Episode 3
EN 92% Taiwan
KO One Return Episode 4
Episode 4
EN 92% Taiwan
KO One Return Episode 5
Episode 5
EN 93% Taiwan
KO One Return Episode 6
Episode 6
EN 92% Taiwan


Main Cast
Pets Tseng
Main Cast
Jiro Wang
Main Cast
Huang Wei Ting
Supporting Cast

Subtitling Team

Meet the community members dedicated to bringing you the subtitles for this channel. Please encourage them by leaving a comment below!

22 languages
22 languages
Subtitles on Viki are licensed under Creative Commons BY-NC-ND 3.0

German, English, Spanish, French, Indonesian, Japanese, Polish, Romanian, Thai, Tagalog, Turkish, Vietnamese and 10 more languages

You can subtitle on Viki and be part of the community too!

Learn more

Fetching results...


Film Festival Press Conference: KO One Return Fan Video


Write a review for

KO One Return

KO One Return

Set your rating *


Please mark as 'Spoiler' if your review contains plots or the ending of the show so as to provide an enjoyable review experience for everyone.

  • Choose your language

    Site Language

    Select the site language for displaying all messaging on the site including all menus, buttons, and labels.

    Content Language

    Select the content language for displaying show titles, descriptions and subtitles. The language will revert to English if your chosen language is unavailable.

  • Site : English
  • Content : English