The Teenage Mutant Ninja Turtles have had some goofy adventures over the years, making it hard to realize that the terrapin quartet began life in fairly gritty comic books. This tone would be revisited throughout the decades, with one example being the 2003 Teenage Mutant Ninja Turtles cartoon. Said show was far darker than its predecessors, and that was almost taken to a "trashy" extreme with one character.
Source：https://www.cbr.com/tmnt-2003-lost-episode-redeem-garbageman/
