Poster of Cast and Crew in The Simpsons - Season 21 - Episode 10 - Once Upon a Time in Springfield

The Simpsons - Season 21 - Once Upon a Time in Springfield (Episode 10)

Plot: Krusty grudgingly adds a pretty, singing cohost named Princess Penelope to his show in order to attract more female viewers. Girls love her, and ratings improve, but Bart and Milhouse want to get the show back to the way it was
Episode Aired On:
Sunday, January 10 2010
15 years ago