VIDEO: Sneak Peek - BLUE BLOOD's Halloween Episode on CBS

On next week's episode of CBS's BLUE BLOODS titled 'Nightmares,' When a knife-wielding attacker dressed as Baron Samedi, the Spirit of Death, stabs a man in costume on Halloween, Danny enters the world of voodoo. Meanwhile, DCPI Garrett opens up to Frank about a dark secret, and Erin and Nicky take Jack and Sean trick-or-treating. The episode airs Friday, Nov. 2 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Get a sneak peek below!