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Grampa gets a hearing aid and finally hears what everyone has been saying about him. Meanwhile, Mr. Skinner discovers that his mother has kept the ultimate secret from him.
Bill Odenkirk (Writer) · Bob Anderson (Director)
Where to watch
JustWatch
Cast
Dan Castellaneta
Homer Simpson / Abe Simpson / Barney Gumble / Krusty the Clown / Groundskeeper Willie / Mayor Quimby (voice)
Julie Kavner
Marge Simpson / Patty Bouvier / Selma Bouvier / Jacqueline Bouvier (voice)
Nancy Cartwright
Bart Simpson / Maggie Simpson / Nelson Muntz / Ralph Wiggum (voice)
Yeardley Smith
Lisa Simpson / Maggie Simpson (voice)
Hank Azaria
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl Carlson / Superintendent Chalmers (voice)
Harry Shearer
Ned Flanders / Mr. Burns / Smithers / Principal Skinner / Lenny Leonard (voice)