The Door (Game of Thrones) to have been copied. Upon learning of the incident, we used the available means to limit further access to the episode." The Door (Game of Thrones) "The Door" is the fifth episode of the sixth season of HBO's fantasy television series "Game of Thrones", and the 55th overall. The episode was written by series co-creators David Benioff and D. B. Weiss, and directed by Jack Bender. Bran Stark learns the origin of the White Walkers, Jon Snow plans to unite the north against the Boltons, Euron Greyjoy reveals his return to the Iron Islands at the Kingsmoot, Tyrion Lannister meets
The Door (Game of Thrones) costumes, with variations we used to make a digital army that extends up onto the hills." Bauer also noted that VFX were used to create the weather conditions in the scene, noting "It's wind, mist, fog and heavy atmosphere that you'd get in a marine layer. The dramatic value is to say something's wrong; it's a mystery what they are facing. The temperature drops, and our characters can see their breath. The weather obscures their vision." Spain-based El Ranchito, one of several special effects companies used by "Game of Thrones", was responsible for the White Walker army shots. Pilou Asbæk,