I, Monster

"I, Monster" is the 13th episode of Season 1 of Teenage Mutant Ninja Turtle. It premiered on January 25th, 2013.

Official Description
The Turtles must battle a new enemy who threatens to take over the city and Splinter's mind.

Characters

 * Leonardo
 * Donatello
 * Raphael
 * Michelangelo
 * Master Splinter
 * April O' Neil
 * Mr Murakami
 * The Rat King

Trivia

 * Victor Falco mutates into the Rat King.
 * This is the first time Splinter is under mind control.
 * Donnie is the 2nd Turtle to push his head (by force) into his Shell.
 * The episode title "I, Monster" is the same title for the "Tales of the Teenage Mutant Ninja Turtles" issue and the 2003 TV series episode which introduced the Rat King.
 * When Mikey was thinking of better names for the Rat King, he said Ratzilla, The Verminator and Count Ratcula, these are references to Godzilla, The Terminator and Dracula.