Duration: 22m

TV-PG 7.2 Animation / Comedy

The Simpsons S20E13

In order to rescue Maggie from a Catholic orphanage, Lisa must solve a series of puzzles to reveal the identity of a gem that will bring peace to Springfield.

Release Date: March 15, 2009 (USA)

Creator: Matt Groening

Cast: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer, Pamela Hayden, Tress MacNeille, Marcia Wallace