Behind the Scenes of the Battle at Hardhome

HBO has just released their latest bonus video, this tame taking us behind-the-scenes of the battle at Hardhome from the latest episode of Game of Thrones.  The video has commentary from showrunners David Benioff and Dan Weiss, the director of the episode Miguel Sapochnik, and also Kit Harington, Kristofer Hivju, Birgitte Hjort Sorenson, Ben Crompton, and several other crew members.