Heathcliff and the Catillac Cats

Season 1, Episode 57

Episode Title: Heathcliff's Double

Air Date: 1984-10-25

Overview:

A mild-mannered cat named Henry -- who looks exactly like Heathcliff -- wanders into the neighborhood. When Spike thinks he has beaten up Heathcliff, Heathcliff catches on and joins forces with Henry to make Spike look like a fool.