2 Season
39 Episode
Supah Ninjas - Season 1 Episode 16 Eternum
A demented psychiatrist lures the ninjas to an asylum to test his theory that he has the power to turn good into evil. While investigating, Amanda meets Checkmate again, who in the end of the episode escapes with a message to the Supah Ninjas, "Game On Ninjas!"
- Year: 2013
- Country: United States of America
- Genre: Action & Adventure, Comedy
- Studio: Nickelodeon
- Keyword: martial arts, ninja
- Director: Eric Garcia, Leo Chu
- Cast: George Takei, Ryan Potter, Gracie Dzienny, Carlos Knight