We don't have an overview translated in English. Help us expand our database by adding one.

Season 1 of KO One premiered on November 25, 2005.

Season 2 of KO One premiered on December 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 of KO One premiered on July 5, 2013.

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 of KO One premiered on June 27, 2016.

Season 5 of KO One premiered on January 22, 2018.