- Seth Green (Leonardo (voice))
- Rob Paulsen (Donatello (voice))
- Sean Astin (Raphael (voice))
- Greg Cipes (Michelangelo (voice))
- Mae Whitman (April (voice))
- Josh Peck (Casey Jones (voice))
- Kelly Hu (Karai)
- Gwendoline Yeo (Shinigami)
Teenage Mutant Ninja Turtles — S4E15
Episode: City at War
Air Date: 2016-08-14
Runtime: 22 min
Overview
April faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.