Three teams made up of an expert pumpkin carver, a cake artist and a sugar master compete in the first of three qualifying rounds. Zak Bagans introduces them to the famously haunted city of New Orleans and asks them to cast a sweet spell with the voodoo queen, Marie Laveau. Host Eddie Jackson and fellow judges Shinmin Li and Aarti Sequeira decide which team gets sent home.

In the second qualifying round, Zak Bagans shares the haunted Hellfire Caves in London -- and the monsters that haunt them. The three teams create amazing and tasty Halloween-themed displays, and host Eddie Jackson along with judges Shinmin Li and Aarti Sequeira send two more teams to the next round.

Three teams go to battle in the last qualifying round as Zak Bagans asks the teams to imagine a monster prison escape inspired by one of the most haunted places on Earth -- Alcatraz. Host Eddie Jackson helps judges Shinmin Li and Aarti Sequeira decide which teams will escape to the next round.

Six teams face off for the first time in the main competition, hoping to impress host Eddie Jackson and judges Shinmin Li and Aarti Sequeira. If that's not scary enough, Zak Bagans introduces the teams to the haunted city of Salem, Massachusetts, and a coven of witches looking for revenge.

This time, it's personal as Zak Bagans introduces the five remaining teams to The Island of the Dolls in Mexico City -- one of his most frightening encounters. The competitors tackle another chilling challenge, hoping to wow host Eddie Jackson along with judges Shinmin Li and Aarti Sequeira.

The four remaining teams face another spine-chilling assignment from Ghost Adventures' Zak Bagans. This time, they must conjure up a ghostly rave party for host Eddie Jackson and judges Shinmin Li and Aarti Sequeira inspired by the haunted Shanghai Tunnels that lie beneath the bustling streets of Portland, Oregon.

Three teams battle it out in the rough waters of the semifinals as Zak Bagans asks them to dive into their deepest fears, inspired by the dark and haunted sea that surrounds Cape Disappointment in Washington. Host Eddie Jackson joins Shinmin Li and Aarti Sequeira in determining which teams will compete in the finals for a chance to be named Halloween Wars champs.

The final two teams face off in an epic, spine-tingling showdown as Zak Bagans takes them to Paris, the City of Lights, and the dark and haunted catacombs that sit under the streets. Host Eddie Jackson, along with fellow judges Shinmin Li and Aarti Sequeira, crown a winner to claim the title of Halloween Wars champions and take the trip of a lifetime to one of the most haunted cities in the world!