S1, E101: The Beavers trick-or-treat the scary house on the hill. It turns out to be the home of their B-movie star hero, Oxnard Montalvo. They discover the house is being taken over by a glowing space object that thrusts them into a wild movie that combines bits of every bad sci-fi film Oxnard ever made. It's up to the Beavers to defeat the monsters and return everything to normal.