Teenage Mutant Ninja Turtles (1987): Season 2, Episode 6

2 - 6: The Case of the Killer Pizzas

Shredder & Baxter Stockman switch meatballs on some pizzas, used as prizes in a contest, with some weird alien eggs from Dimension X. The Turtles must battle the Xenomorph-like creatures that hatch from the eggs in order to save the city.