The Simpsons Season 10 Episode 20
The Old Man and the 'C' Student
When Bart ruins Springfield's chance to host the Olympics, the kids are sentenced to community service work at the retirement home. To help the residents recapture their youth, Bart takes them on an ill-fated boat ride.
Guest Stars
Jack LaLanne
Jack LaLanne (voice)
Russi Taylor
Martin Prince (voice)
Pamela Hayden
Milhouse Van Houten (voice)