Teenage Mutant Ninja Turtles: Season 2, Episode 21 - ProjectFreeTV

2 - 21: Plan 10

Raphael accidentally damages a machine that forces him to swap minds with a Kraang. Now he must find a way to convince his brothers and Splinter that it's really him, before the Kraang controlling his body destroys his brothers or worse, reveals their location to the rest of the Kraang.