Episode Title:
Blazing Entrails.
Episode Description:
Ren takes Stimpy to Dr. Brainchild when he starts acting dumber than usual, but when Dr. Brainchild transforms Stimpy's body five times larger than his normal size, Ren has to go inside Stimpy to save him from an organ bully that is beating up his brain (but not before getting beaten up himself). Dr. Brainchild and his mother are voiced by Bill Mumy and June Lockhart, respectively.
