The line between the living and the dead blurs on Halloween. Two of the house's previous residents give the Harmons decorating advice.

Tate comes face to face with his past, and Ben and Vivien are haunted by a new houseguest before Halloween night comes to an end.

Violet learns about the rules of the house. The truth about Larry's condition is explained. Constance is interrogated by the police.

An exorcist is called to Briarcliff to help save a troubled farm boy; Sister Jude's darkest secret is revealed.

A murderous Santa wreaks havoc on Briarcliff; Sister Jude faces off with the devil; Arden has a shocking encounter in the death chute.

Fiona takes on an unlikely protégé; a guilt-ridden Zoe tries to give Kyle his old life back; Madison has a fiery exchange with Joan Ramsey.

Fiona attempts to out the new supreme with a visit from Stevie Nicks; Cordelia learns the truth about Hank and the witch hunters; Madison tries to eliminate her competition for the supremacy.

The freaks refuse to perform on Halloween due to an old carny superstition; Jimmy is smitten by a woman claiming to be a fortuneteller; Ethel receives life-changing news.

The death of a Freak sparks troubling behavior in Pepper. Elsa reveals the history of the Freak Show. Desiree grows suspicious of Maggie.

Alex is pushed to her breaking point after Scarlett stirs up memories of Holden. Donovan is targeted by a dangerous rival of The Countess.

Alex enlists John's help to contain an outbreak. Donovan learns the Countess' true intentions. Liz and Iris plan to leave the hotel for good.

Nightmares become an inescapable reality as unique stories of people's lives in America reveal the astonishing power of the supernatural.

The community turns on Ally after she shoots and kills a Hispanic man. At home tensions between Ally and Ivy grow worse, and Kai may be Ally's only hope.

A new occupant arrives at the Outpost with alarming news, causing a domino effect of lust, betrayal and self-destruction.

Imitation is the best form of tragedy. Coming clean can be pretty messy.