Raiders of the Lost Cat / Mungo Lays an Egg

S1 E63: A trip to the museum with Iggy and Marcy to see the ancient Catankhamun exhibit provides Heathcliff with the perfect party place to celebrate Sonja's birthday later that night. Little does he know that his intimate plans will soon be shattered when first, his pals decide to crash the scene and second, two mysterious men appear and attempt to drag Heathcliff away to their foreign country where they believe he should reign as their Pharaoh king! / Hector fools Mungo into believing he has laid an egg and must keep it warm until it hatches. Mungo hatches the egg, and cares for the baby stork diligently until finally it is re-united with its natural mother.