Fran Sinclair refuses to let Baby Sinclair watch a horror movie on 50-Foot Vegetable Theater with Earl Sinclair and Robbie Sinclair and instead puts him to bed. Baby soon grows convinced that there is a monster under his bed. Fran and Earl try to convince him otherwise, but Baby insists that they stay with him until he falls asleep. He ends up staying up in terror all night and sleeping all day, wreaking havoc on Earl and Fran's sleep cycles.