We searched Hulu (so you don't have to) for all the Halloween TV Clips they offer and here they are...

The Simpsons: Halloween Special V: Opening
Excerpt (s.6 : ep.6) |01:48 |
Marge introduces the opening credits to the fifth Simpsons Halloween Special.

SNL: Clinton Halloween Party
Excerpt (s.33 : ep.4) |05:15 |
Obama stops by the Clintons for a Trick and a Treat

The Girls Next Door: Hot Halloween
Excerpt (s.1 : ep.10) |03:48 |
The Mansion's Halloween party is so cool, it's almost scary. Stop by for the bash

Family Guy: Count Crotchula
Excerpt (s.6 : ep.11) |00:25 |
Peter tries to get Brian to notice the bulge in his Halloween Costume pants.

The Simpsons: Vampire Bart
Excerpt (s.5 : ep.5) |00:52 |
Bart becomes a vampire and the family must do something.

30 Rock: Cerie's Halloween Dilemma
Web Exclusive |02:25 |
Kenneth tries to help Cerie pick a sexy costume.

How I Met Your Mother: The Slutty Pumpkin
How I Met Your Mother
Excerpt (s.1 : ep.6) |01:50 |
Ted tells the story of the girl whose number he lost years ago.