The Simpsons Season 25 Episode 14
The Winter of His Content
When Retirement Castle is closed, Marge asks Grampa and two other octogenarians to move in; Nelson befriends Bart after Bart defends him.
Guest Stars
Pamela Hayden
Milhouse Van Houten / Jimbo Jones (voice)
Chris Edgerly
(voice)
Tress MacNeille
Additional Voices (voice)
Kevin Michael Richardson
Chester (voice)
Russi Taylor
Martin Prince / Wendell (voice)