After eating piles and piles of Halloween candy, Bart, Lisa and Homer have nightmares that haunt them all night.
The Monkey's Paw
Lisa dreams that the family goes on a trip to Morocco and buys a cursed monkey paw that grants its owner four wishes. By wishing for world peace, Lisa accidentally paves the way for an alien invasion by Kang and Kodos, who enslave the human race.
The Bart Zone
Bart's dream, in which he has the power to read minds and affect a person with his thoughts, which seems like a wonderful dream for him at first. But eventually, he realizes he has used his powers for evil and repents.
If I Only Had A Brain
Homer dreams that Mr. Burns steals his brain for a giant robot he's building. Due to an accident, Mr. Smithers is forced to sew Mr. Burns' head onto Homer's body. Then he wakes up. It was all a dream, or was it? When he looks in the mirror, Burns' head is still attached to his.moreless