Ian McShane guest stars in next episode of American Horror Story: Asylum. The Christmas-themed episode is titled Unholy Night and involves a homicidal Santa that is let loose at the Briarcliff Mental Institution. If you missed out on the preview video or want to see it again, we have it for you to watch.

American Horror Story: Asylum - Episode 8: "Unholy Night" – A murderous Santa wreaks havoc on Briarcliff. Sister Jude faces off with the Devil. Meanwhile Arden has a shocking encounter in the Death Chute.

Directed by: Michael Lehmann, Written by: James Wong