Ep 37. Bamboo Island / Super Hero Mungo

Heathcliff stows away on a cruise ship in order to go with the Nutmegs on a trip to the South Seas. He causes chaos on the ship, but later, when the entire tour group is captured by savage island natives, Heathcliff masterminds a rescue and emerges the hero!One day while listening to a radio show of a famous cat personality, Cosmic Cat, Mungo accidentally hits his head. When he wakes up, he "becomes" Cosmic Cat himself and sets out to "save the world from evil." His friends decide to cash in on his temporary state of insanity with a promotion gimmick that features a big superhero contest against Dynamic Dog.