Heathcliff and the Catillac Cats

Break an Egg [Heathcliff] (2x37)

Air date: Oct 03, 1985

Grandma Nutmeg regales Iggy with a tale about how Heathcliff wound up in the possession of a rare golden egg, and the whole neighborhood (including the crooks who stole it in the first place) wound up looking for it.