Heathcliff accidentally solves a Rubik's cube-type puzzle, so Iggy decides his cat must be a genius and submits him to a scientist for laboratory testing. Heathcliff doesn't blend well with the other animals, and in no time has managed to cause countless squabbles and sabotage all the lab tests. // Cleo is bored with Westminster and asks Riff to take them to the city. The cats build a giant balloon and fly it into the city. Once there another gang quickly steals their balloon leading to a chase across town.
Air Date: Oct 9, 1984