HBO has released the first preview for the penultimate episode of Season 4 of Game of Thrones entitled "The Watchers on the Wall". We also have four behind-the-scenes featurettes that break down the previous episode, "The Mountain and the Viper". Check them out and catch the new episode Sunday, June 8th, only on HBO.

In "The Watchers on the Wall", Jon Snow (Kit Harington) and the rest of the Night's Watch face the biggest challenge to the Wall yet.