In this special, Linus is determined to meet the Great Pumpkin, who is supposed to appear in the town's pumpkin patch at midnight. While he is sitting in the patch with Sally, the rest of the peanuts are trick or treating. Snoopy goes on his own adventure as the Red Baron. In the end, Snoopy winds up in the pumpkin patch and in the dark Linus thinks he is the Great Pumpkin. Linus faints and that is that, everybody goes home with their goodies, except Linus.