The New Adventures of The Wild Thornberrys: Power in a Shell

Power in a Shell is a crossover episode in the second season of The New Adventures of The Wild Thornberrys, that featured characters from the Teenage Mutant Ninja Turtles franchise, specifically in their incarnations from the TMNT show on Nickelodeon.

Summary
While the Thornberrys are waiting for their boat in New York, Eliza, Darwin, Irwin, and Marvin come face-to-face with four anthropomorphic mutant turtles who happen to be teenage ninjas.

Main Cast

 * Lacey Chabert as Eliza Thornberry
 * Tom Kane as Darwin
 * Jason David Frank as Irwin
 * Bill Farmer as Marvin
 * Flea as Donnie
 * Danielle Harris as Debbie Thornberry
 * Tim Curry as Nigel Thornberry
 * Jodi Carlisle as Marianne Thornberry

Guest Stars

 * Jason Biggs as Leonardo:
 * Rob Paulsen as Donatello:
 * Sean Astin as Raphael:
 * Greg Cipes as Michelangelo:
 * Hoon Lee as Splinter:
 * Mae Whitman as April O'Neil:
 * Kevin Michael Richardson as Shredder:
 * Kelly Hu as Karai:
 * Clancy Brown as Rahzar:
 * Christian Lanz as Fishface:
 * Nolan North as The Kraang:
 * Cassandra Peterson as Mrs. Campbell:
 * Danny Jacobs as Snakeweed:
 * Lewis Black as Spider Bytez
 * Jeffrey Combs as The Rat King:
 * Danny Trejo as Newtralizer:
 * Corey Feldman as Slash:

Animals Featured in this Episode

 * Mutant Red-Eared Slider Turtle
 * Mutant Brown Rat