Teenage Mutant Ninja Turtles

I, Monster (Season 1, Episode 13)

TV-Y7

TV Episode | 24 min | Animation, Action, Adventure

The Turtles must face off against a new enemy, The Rat King, who threatens not only to take control of the city, but Splinter's mind as well.

Directors

Writers

Jase Ricci (written by) (staff writer) | Peter Laird (characters created by) | Kevin Eastman (characters created by) | Ciro Nieli (developed by) & 6 more

Producer

Composer

Editor

Casting Directors

Edit Released

Release date

Jan 25, 2013 (United States)

Awards

Series awards

Contacts

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Cast	+ Add Cast
8 cast members

Name	Known for
Sean Astin Raphael (voice) Raphael (voice) See fewer	The Lord of the Rings: The Two Towers (2002)
Jason Biggs Leonardo (voice) Leonardo (voice) See fewer	American Pie (1999)
Greg Cipes Michelangelo (voice) Michelangelo (voice) See fewer	Teenage Mutant Ninja Turtles (2012)
Rob Paulsen Donatello (voice) Donatello (voice) See fewer	Animaniacs (1993)
Mae Whitman April O'Neil (voice) April O'Neil (voice) See fewer	One Fine Day (1996)
Hoon Lee Splinter (voice) Splinter (voice) See fewer	Warrior (2019)
Jeffrey Combs Dr. Victor Falco / Rat King (voice) Dr. Victor Falco / Rat King (voice) See fewer	Re-Animator (1985)
Jim Meskimen Carlos Chiang O'Brien Gambe / Cop (voice) Carlos Chiang O'Brien Gambe / Cop (voice) See fewer	How the Grinch Stole Christmas (2000)