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.
as Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)
as Marge Simpson / Patty Bouvier / Selma Bouvier (voice)
as Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
as Lisa Simpson (voice)
as Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)
as Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)
as Jane Goodall (voice)
as Milhouse (voice)
as Shauna Chalmers / Crazy Cat Lady
