Season 1 - KO One

21 episodes · Nov 26, 2005 · 6.0

Season 2 - KO One Return

30 episodes · Dec 26, 2012

A time quake propels Wang Dadong into the future, where he encounters a classmate named King who presides over the KO One.

Season 3 - KO One Re-act

40 episodes · Jul 5, 2013 · 6.3

As a guardian of space-time order, 28-year-old Wang Dadong returns to Bale High School to investigate an anomaly and clashes with King.

Season 4 - KO One Re-member

60 episodes · Jun 27, 2016

Season 5 - KO One Re-call

60 episodes · Jan 22, 2018