For the entire season Karai is the leader of the Foot Clan. Hun controls the Purple Dragons. New enemies are seen in this season. Teenage Mutant Ninja Turtles’ fourth season originally aired between September 10, 2005 and April 15, 2006, beginning with the “Cousin Sid” episode.

• Teenage Mutant Ninja Turtles - Season 04
• Kevin Eastman
• Peter Laird
• Lloyd Goldfine
• Michael Sinterniklaas
• Wayne Grayson
• Gregory Abbey