This is because Tales of the Teenage Mutant Ninja Turtles is technically a Nickelodeon show. It was released on Paramount+, but it was produced by Nickelodeon Animation Studio.
Nickelodeon revamps TMNT in 2012 ... trained in martial arts by their rodent sensei, the Teenage Mutant Ninja Turtles, came out of left field with their independent comics debut in 1984.