It's not long before they get thrown into her machine and turned into candy themselves.
The Secret of Long Pork Pies: Mordecai and Rigby mention that the witch's home-made chocolate tastes delicious, even though the pieces look like human body-parts.
Mistaken for Own Murderer: After Pops is turned into a werewolf by Wolfhard, the judge believes that Pops is Wolfhard and that he ate Pops.
The buttons even light up to look like a skull.
Evil Elevator: Fives' story involves getting trapped in one.
Dead All Along: After Fives gets off the elevator and tells Celia what happened, she tells him that the elevator repairman died several years ago.
At the end, when it's revealed it's another wish vision, Benson mentions he's just going to buy streamers.
Brick Joke: At the start of the party before Benson unveils Racki, Mordecai mentions that he usually just gets streamers.
Benson when Racki tells him he won't get his security deposit back after he's been destroyed.
Fives when his flowers for Celia are destroyed in the elevator ride.
Rigby's wish to be popular results in him and Mordecai being turned into chocolate and then eaten by the trick-or-treaters.
Fives' wish does allow him to visit Celia.only to be grabbed by the zombie operator shortly after meeting her and the elevator falling and exploding (even though he's a ghost, so.).
Unlike the others, he's actually happy with the result even though he winds up turning into a werewolf.
Pops' wish does technically happen since he winds up fleeing on an airplane, thus allowing him to travel as wished.
Benson's wish does technically come true but he's horrified when he actually congratulates Mordecai and Rigby for helping him stop the doll since it's something he would never say to them.
All the tales are wishes the four experience and it being twisted in some way.
Be Careful What You Wish For: The theme of this year's special.
Dissatisfied with what he sees, he refuses to rent Racki.
All Just a Dream: The whole episode is revealed to be Benson trying out the machine at a Halloween store in preparation for the party.