Johnny Test (2005)

S5E8 Johnny of the Deep

When Bling Bling Boy uses hypnosis to make Susan infatuated with him, Mary takes matters into her own hands. To counteract his scheme, she transforms Johnny and Dukey into sharks, hoping their new forms will help them confront Bling Bling Boy and save Susan from his charming manipulation. As they navigate the ocean depths, Johnny and Dukey must work together to break the spell and restore things to normal before it's too late.