After visiting Aquatraz Water Park, Bart and Lisa successfully rescues a captive orca and they set him free in the ocean. Bart takes an interest on rescuing animals, he and Milhouse rescue Lolo the Gorilla at a zoo, but the gorilla ends up going on a rampage in Springfield. Bart enlists Lisa to find Lolo a permanent home, she finds a perfect home for the gorilla. Primatologist and anthropologist, Jane Goodall happily takes Lolo in and she renames the gorilla, Popo. Meanwhile, Homer purchases an expensive boat and he makes his friends co-owners, in order to pay off an expensive loan on the boat, it ends badly when the boat sinks.
—dawsonpersi