During the Credits
There are stylized credits and an extra scene during the credits of Teenage Mutant Ninja Turtles: Mutant Mayhem.
The extra scene shows the turtles in high school, going to prom, and that they’re under surveillance by an evil group looking to capture them led by Shredder.
After the Credits
There is no stinger after the credits of Teenage Mutant Ninja Turtles: Mutant Mayhem.
Special thanks to Feydain, Matthew Leahy, Bob Nath, Adam Honne, Shaz Hamid, Flavor Tre, and Richard T Adams for the stinger submissions!