Episode 237: The 1,000th Guest

The Furchesters have 1,000 cookies ready for the 1,000th guest to claim as a present. The guest arrives - except it's Harvey P. Dull. Cookie Monster then has an idea and disappears. A moment later a very suspicious-looking guest arrives - it's Cookie Monster dressed up! As the Furchesters try to stop Cookie Monster eating the cookies, the real 1,000th guest arrives, only there are two of them - a chicken and an egg. Which came first?