Personally, one of my favorite scenes concerning Vincent Price was when he *ahem* starred in the episode of the Simpsons concerning Homer going to the Superbowl.
"You're not helping, children..."
"Arrogant mortal! You are in my world now and you will never leave this attic alive! I will destroy you, and then I will possess she whom you love the most. And there is not a single thing in the world you can do to stop me!"
*poke*
"OW!"
-Dracula
Also, let's not forget that Brady Bunch episode where he held the Bradys hostage in the Old West Ghost Town. It was left up to whosit and Mike brady to save the day.