Teenage Mutant Ninja Turtles - Season 5 - Eps 3: My Brother, the Bad Guy
Shredder breaks into the Ninja Hall of Fame and steals the diary of the famous Brothers Kojima. He leaves his fingerprints all over the place though, and one Lieutenant Saki, Shredder's brother, finds them.
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: 7.7/10 (from 766 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)