Host Jonathan Bennett welcomes four teams to the first of two qualifying rounds, where each team of talented cake, sugar and pumpkin artists must create a scene depicting a monster from a specific historical period. Judges Shinmin Li and Aarti Sequeira decide which three teams move onto the main round of competition and which team is history.

Four new teams face off in the second qualifying round, where host Jonathan Bennett challenges them to depict the moment a person transitions into a horrifying Halloween monster. Then, judges Shinmin Li and Aarti Sequeira move three more teams through, and one team is left in the dust.

With qualifying rounds now completed, six remaining teams of amazingly talented cake, pumpkin and sugar artists face off against one another for the first time! Host Jonathan Bennett tasks the teams with creating a scene showing what it would look like if a nightmare came to life, and judges Shinmin Li and Aarti Sequeira decide which teams will continue living the dream.

Host Jonathan Bennett challenges the teams of cake, pumpkin and sugar artists to design a scene showing the chaos that ensues when the monsters go trick-or-treating, and each teams must highlight one member's skill in their display. First up, pumpkin! In the end, judges Shinmin Li and Aarti Sequeira send one team home with an empty candy bag.

Host Jonathan Bennett asks the remaining teams to reveal what it looks like when a vampire goes on a date, along with everything that could go wrong. The teams must highlight their cake artist's skill by incorporating a tasting element into the main character before judges Shinmin Li and Aarti Sequeira decide who won't be getting a second date.

Host Jonathan Bennett challenges the semi-finalists to imagine what would happen when nature fights back against humans. With the sugar artist in the hot seat, each display must have an element of the attacking nature made entirely out of sugar! Judges Shinmin Li and Aarti Sequeira determine which two survivors have what it takes to battle it out for the title of Halloween Wars champion and $25,000!