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 judges Eddie Jackson, Shinmin Li and Aarti Sequeira.

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. Judges Eddie Jackson, Shinmin Li and Aarti Sequeira decide which teams will compete in the finals for a chance to be named Halloween Wars champs.