Get ready for an all-new episode of Grimm at 9/8c, and then catch a new Constantine at 10/9c tonight on NBC.

A Very Grimm Christmas (Preview) – St. Nick the Grimm searches for a chaos-causing Wesen on Friday’s festive episode, 9/8c on NBC.

Monroe’s Christmas Wish (Preview) – With Nick’s Grimm powers restored, Monroe hopes he and Rosalee can finally go on that honeymoon.

Holiday Havoc (Preview) – Rosalee and Juliette try to keep a trio of Kallikantzaroi from destroying Monroe’s Christmas decorations.