The final four bakers reach the last leg of their haunted house journey in the mad doctor's surgical room, where they face off to make severed limb cakes. Then, host Carla Hall challenges the competitors to reach new heights with floating cakes to impress her and the other judges, Stephanie Boswell and Zac Young. The most successful baker wins $25,000 and is named Halloween Baking Champion.
The four finalists face their fears when host John Henson challenges them to bake using a hated ingredient. The bakers must be brave, though, because the camp serial killer and judges Stephanie Boswell, Carla Hall and Zac Young will claim one more victim in a sudden death, leaving the final three to battle it out for $25,000 and the title of Halloween Baking Champion.
Inspired by a mysterious "skull man," the bakers enter the graveyard to bring skull desserts to life in the pre-heat. For the main heat, the bakers must create a championship-worthy nightmare cake based on common nightmare themes like falling, being chased or being visited by the dead. The baker that can face their fears and come out on top will be named Halloween Baking Champion!
Duff Goldman challenges the bakers to wake the dead by designing dead-to-alive themed cakes, mixing ingredients that are dead and dark with those that are alive and colorful. One competitor's cake is deemed dead on arrival, and the remaining three bakers head home to create their showstoppers. Spectacular effects combine with the Halloween spirit as cake creatures rise from the dead to scare up a winner.
A monster has ransacked the kitchen and is on the loose! The bakers work together in the pre-heat challenge to create a 3-D suspect sketch out of pate a choux to help track him down. The sketch helps puts the monster behind bars but now he's hungry for the main heat challenge that involves monster-sized Halloween deserts like giant cupcakes, pies, cream puffs and more.