Terrifying evils blur the boundaries between reality and insanity at the Briarcliff Manor.

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

A violent storm allows a group of patients to plan a daring escape; Sister Jude is haunted by her past.

A new patient exposes Arden's past; Kit learns why Grace was admitted to Briarcliff.

Sister Jude employs a renowned Nazi hunter to gather evidence against Arden; Kit makes a surprising confession; Bloody Face is unmasked.

A mysterious little girl is abandoned at Briarcliff; the Monsignor makes a Faustian pact with Dr. Arden; the origin of Bloody Face is revealed.

Sister Mary Eunice is terrified to discover a dark angel at Briarcliff; Kit makes a bold move to be reunited with Grace.

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

The Monsignor confronts the Devil. Dr. Arden's experiments reach a shocking conclusion. Dr. Thredson facilitates a surprising reunion for Kit.

Grace tells Kit devastating news about the aliens' experiments on Alma; Dr. Thredson receives an unexpected visitor; the Monsignor goes to extreme lengths to silence Jude.

A deadly new inmate threatens Sister Jude's chance of release; Grace's obsession with the aliens turns violent.

Johnny sets out to complete his father's work; Lana leads the charge to finally shut down Briarcliff.