Heathcliff solves a cube puzzle.
Heathcliff tries to accompany Iggy to Boy Scout camp.
Heathcliff complains about empty cat-food tins.
Iggy and Marcy enter Heathcliff in a cat show.
Heathcliff wonders about his ancestors.
Heathcliff and the clan land on a cat-infested island.
The Nutmegs include Heathcliff in a portrait.