Mistaking two robbers named Claude (Don Rickles) and Marty (Skip Homeier) for trick-or-treaters, the family takes them in for a Halloween celebration. The robbers agree because they are hiding out from the police and their car has run out of gas. They put up with the creepy household's holiday festivities as best they can, because they spot Gomez' desk full of ready cash. Unbeknownst to all, Thing is on to them and ready to take matters in hand. When they finally manage to escape the house, it's only into the waiting arms of the police.  ...