Homer discovers that his mother is still alive, a former radical who is a fugitive from the law. When her old nemesis Burns spots her and tips off the FBI, she is forced to return to the underground.
Dan Castellaneta
Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)
Julie Kavner
Marge Simpson / Patty Bouvier / Selma Bouvier (voice)
Nancy Cartwright
Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
Yeardley Smith
Lisa Simpson (voice)
Hank Azaria
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)
Harry Shearer
Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)
