Teenage Mutant Ninja Turtles - Season 10 - Eps 2: The Beginning of the End
While Raphael, Michaelangelo, Donatello and Carter work on restoring Leonardo to his regular self, Mung steals all the plutonium from a power plant in order for Dregg to build a Plutonium Ray to turn Leonardo into a radioactive killer.
About Teenage Mutant Ninja Turtles

Title: Teenage Mutant Ninja Turtles
First Air Date: 1987-12-14
Last Air Date: 1996-11-02
Status: Ended
Rating: 7.73/10 (from 771 votes)
Language: EN
Seasons: 11
Total Episodes: 193
Network: CBS USA Network Syndication
Genres: Action & Adventure, Animation, Comedy, Kids
Production Companies: Murakami Wolf Swenson, Fred Wolf Films, Surge Licensing
Synopsis
Four turtles fall into the sewers and are befriended by Hamato Yoshi a Japanese man sent to New York who was forced to live in the sewers. One day he sees a strange green glow which transforms the four turtles into human-like creatures. Hamato (now Master Splinter) changes into a giant rat from the green glow and teaches the turtles the skills of the ninja as they team up with news reporter April O'Neil to battle against Yoshi's arch enemy Shredder and Krang, an alien warlord from Dimension X.
Cast

Cam Clarke
Leonardo (voice)

Barry Gordon
Donatello (voice)

Townsend Coleman
Michaelangelo (voice)

Michael Gough
Raphael (voice)

Peter Renaday
Splinter (voice)

Renae Jacobs
April O'Neil (voice)

Tony Jay
Dregg (voice)

Bumper Robinson
Carter (voice)