Blue Bloods

Season 8, Episode 4

Episode Title: Out of the Blue

Air Date: 2017-10-20

Overview:

Danny and Baez work the case of a detective who was gunned down prior to testifying against a career criminal. Frank personally investigates when Garrett is attacked by a S.W.A.T. team outside his home. Erin brings in a confidential informant against Anthony’s wishes.