Courage the Cowardly Dog - Season 2 Episode 14
Mega Muriel the Magnificent

Courages Computer,who is sick and tired of answering Courages questions about shadows, monsters, etc. and thinks there not scary so he does something evil... he uploads his memory into Muriels body and controls it. He does stunts to make Courage have to rescue the Computer (which is in Muriels body) Eventually he gets stuck and Courage has to save him from a machine. Even the Nowhere News was there to telecast these stunts of Muriel or (the Computer). Eventually the computer apologizes and goes back into the monitor and Muriel returns to her normal self.