2011 | 8 Episodes

Season 1 of Killer Kids premiered on May 16, 2011.

2012 | 8 Episodes

Season 2 of Killer Kids premiered on November 26, 2012.

2014 | 23 Episodes

Season 3 of Killer Kids premiered on April 21, 2014.

2014 | 13 Episodes

Season 4 of Killer Kids premiered on December 10, 2014.