Johnny Test (2005)

S04E09 Papa Johnny

After a playful wager between Johnny and Hugh, Susan and Mary inadvertently swap their brains. As the two friends navigate each other's vastly different lives, chaos ensues. Johnny, now in Hugh's body, struggles with his responsibilities, while Hugh, adapting to Johnny's routine, faces unexpected challenges. The girls must find a way to reverse the mix-up before the bet spirals out of control, all while discovering the importance of empathy and understanding in their friendships.