Checkmate Supah Ninjas : Season 1 Episode 4
TV-G (self-applied) Nickelodeon 30m int(0)
Aired: April 30th, 2011 @ 9:00 PM EST on Nickelodeon
The ninjas take on chess prodigy villain named Checkmate who challenges them in chess-related games putting their lives in danger. Amanda feels she must overachieve at other things after getting her first A-, the worst grade she has ever received in her life.