1. The Haunted Farm

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. 5 October 2014. 60 min

Season 4 begins when five teams are presented with the challenge of creating a terrifying haunted farm.

2. Don't Go Into the Forest

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. 12 October 2014. 60 min

The four remaining teams are given the challenge of creating a foreboding forest. Film producer Adi Shankar is the guest judge.

3. Mummies vs. Werewolves

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. 19 October 2014. 60 min

The three remaining teams must depict an epic battle between mummies and werewolves, in a challenge featuring guest judge Francia Raisa.

4. Haunted Carnival

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. 26 October 2014. 60 min

Season 4 comes to a close as the final two teams compete to create terrifying Halloween-themed displays that capture the twisted, demonic world of a haunted carnival.