Guess I'll need to travel back a ways to get my pizza

Your pizza isn't Y2K compliant.

Maybe the pizza was delivered in 1900, and is gone now. Can you prove otherwise?

edit

Have you checked for a rock-hard, moldy pizza buried under your front porch?

Wow, adjusting for inflation, by now that pizza should be worth a fortune!? :-D

Twas a better time for pizza

Time Pizza coming to a theater near you.