is the fourth episode of The Simpsons' 22nd season. True to the annual tradition, it features three distinct, supernatural segments. 1. War and Pieces This segment parodies the film Jumanji .
While on a romantic second honeymoon at sea, Homer and Marge rescue a castaway named Roger (voiced by Hugh Laurie). Roger claims to be a chef who escaped a mass poisoning on his previous yacht.
The boys find a dusty, old game called "Satan's Path." As they play, the town of Springfield is transformed into a real-life game world where classic board games—like Mouse Trap and Battleship —come to life as deadly challenges. [S22E4] Treehouse of Horror XXI
Homer becomes convinced Roger is a murderer and throws overboard a pie Roger baked, believing it's poisoned. When they see a dead shark, they assume the pie killed it and preemptively "kill" Roger in self-defense.
Lisa considers becoming a vampire until she realizes she would be eight years old forever. When the vampires' bloodlust grows, Homer offers himself up instead. The vampires feast on him, but they both die instantly from the massive amounts of bad cholesterol in Homer's blood. 3. Master and Cadaver This segment parodies the psychological thriller Dead Calm . is the fourth episode of The Simpsons' 22nd season
Marge invites Edmund and his father, Count Dracula, to dinner, where both children are mortified by their fathers' embarrassing behavior. Lisa and Edmund eventually run away to "Dracula-la Land".
Worried about the violence in modern video games, Marge encourages Bart and Milhouse to play wholesome, classic board games. War and Pieces This segment parodies the film Jumanji
They later discover Roger was telling the truth and the shark actually died from a fuel leak. To cover their tracks, Homer kills the remaining survivors of the other boat. Marge, unable to live with the guilt, eats the poisoned pie. The entire story is then revealed to be Maggie's imagination while she plays in the bathtub. The Simpsons S22E4 "Treehouse of Horror XXI" - TV Tropes