Veronica interrupts Betty and Archie kissing. Veronica ends up switching places with Betty. Archie and Veronica end up getting a pie in the face and their picture taken. The picture is for the cover of the school's humor magazine.
Thanks to one too many hits in the head during football practice, Moose is suffering from intermittent memory loss. When Moose temporarily forgets who Midge is, Reggie tries to make time with her while Moose is busy playing Santa Claus .
After Della and Aunt Hilda read her the riot act over getting the goody-goody Christmas spirit, Sabrina resolves to do her duty as a witch and resist doing good deeds for people at Christmas. But when she's taken hostage by two bank robbers, she sees the opportunity to do good by doing evil.
Whoever does the most to help out at the school Christmas party will get to play Mr. and Mrs. Santa Claus. Veronica is the odds-on favorite to be Mrs. Santa Claus because she's paying for the band. After Archie is outdone by Reggie in his attempt to get a tree for the party, Jingles returns, offering to use his Brownie magic to help Archie beat Reggie. But everything Jingles tries just makes Archie lose even more humiliatingly.
Jughead tells Archie that he's planning to buy a transistor radio for himself, to make sure he'll get what he wants for Christmas. Archie decides to buy the same thing for himself, but everyone else winds up buying him the same thing.
Archie is reprimanded for speeding (20 mph in a 15 mph zone), but his friends refuse to believe his jalopy could go so fast. Mr. Andrews arranges with his police officer brother to get Archie a ticket for Christmas.