"Gone Maggie Gone" is the thirteenth episode of The Simpsons' twentieth season. It originally aired on FOX in the United States on March 15, 2009. The episode was written by both Billy Kimball and longtime Simpsons writer Ian Maxtone-Graham, and directed by Chris Clements. In the episode, Homer leaves Maggie on the doorstep of a convent, but when she disappears, Lisa goes undercover as a nun to solve the mystery. Meanwhile, Homer tries to keep Maggie's disappearance a secret from Marge, who was temporarily blinded while watching a solar eclipse.
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