Famed British mentalist Derren Brown comes to Springfield and uses psychological tricks and showmanship to raise the town's Christmas spirit; a hypnotized Homer believes he is Santa Claus, causing everyone to question what they believe.

We learn a secret of Flanders’ past and discover a room in the Simpson home we’ve never seen.

Sideshow Bob returns, and Christmas is threatened. Bart tries to make sense of it all.

After a terrible Black Friday where Marge can’t get the gift the kids desperately want, the Simpsons try to spend a relaxing Florida Christmas.

Krusty tries to impress his daughter as they spend Christmas with the Simpsons. Meanwhile, Reverend Lovejoy seeks converts after church attendance plummets, and Maggie is haunted by a spooky Christmas toy.

A needy Moe keeps Homer late at the bar on Christmas Eve and Marge won't let him come home. Homer embarks on a Christmas Eve odyssey of Springfield's lonely denizens.