Every Simpsons, Futurama, and South Park Episode...

[manasecret]

Originally Posted by Dyne

I know it's the one where Moe almost goes to Hawaii with a character played by Helen Hunt.

Nah the Dental Plan episode is quite a bit older. The episode is called "Last Exit to Springfield."

EDIT: From season four.

EDIT2: Actually I'm wrong about the dental plan episode being quite a bit older. The Helen Hunt episode is only one season away, the 5th.