After a trip to Aquatraz Water Park, Lisa becomes determined to set free Springfield's most vicious animals in captivity. Meanwhile, Homer fulfills a lifelong dream of buying a boat, and quickly realizes boat ownership sucks.

Main Cast

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))

Guest Stars

Jane Goodall (Jane Goodall (voice))
Pamela Hayden (Milhouse (voice))
Tress MacNeille (Shauna Chalmers / Crazy Cat Lady)

The Simpsons

S31E5 — Gorillas on the Mast

Overview

Main Cast

Guest Stars

Crew

Navigation