Game Of Thrones Season 4 Episode 9: The Watchers On The Wall

The penultimate episode of the fourth season of Game of Thrones, "The Watchers on the Wall," airs tonight on HBO. Fans of the series know that the second to last episode of season often features some of the biggest revelations. With the Battle of Castle Black ready to take place in tonight's episode, season four seems no different.

In the previous episode, "The Mountain and the Viper," Ramsay Snow used Reek to take back Moat Caitlan and was rewards with his father's name. Tormund's Wildlings attacked Mole's Town. Daenerys learned of Jorah Mormont's past treachery and exiled him from her service. Sansa Stark stepped into her new life, testifying on Littlefinger's behalf to the Lords of the Vale. The Mountain killed Oberyn Martell in trial-by-combat, earning a death sentence for Tyrion Lannister.

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

Several images and a preview video have been released leading up to the episode. All have been included below.

Game of Thrones, "The Watchers on the Wall," is written by showrunners D.B. Weiss and David Benioff and directed by Neil Marshall, who directed the season 2 episode, "Blackwater," which featured the Battle of the Blackwater. "The Watchers on the Wall" will air Sunday, June 8 at 9 p.m. ET on HBO.