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  ===Season 7===
  The Night King is shown leading his army south. Through ravens' eyes, Bran locates the Night King's army beyond the Wall. When the Night King looks up, the ravens disperse, and Bran is pulled out of the warging. He requests that ravens be sent throughout the Seven Kingdoms to warn of the threat.
  The Night King is present when the wights and White Walkers battle Jon Snow at the Wight Hunt, who traveled beyond the Wall with the Hound, Jorah, Beric, Thoros, Gendry, Tormund and several other Wildlings to attempt to capture a wight to use as proof for the gathered high lords of Westeros. Remembering their encounter from Hardhome, the Night King keeps his gaze on Jon for some time. Beric Dondarrion suggests trying to kill the Night King; as they know, killing a White Walker kills any and all wights it raised, so killing the Night King might destroy every such monster under his command, putting an end to the Great War before it truly begins. Jon dismisses the plan, however, arguing that trying to fight their way through the wights to reach the Night King would be suicide. When Daenerys Targaryen arrives and her dragons burn many wights, the men try to evacuate on Drogon but the wights continue their attack; using an ice javelin, the Night King kills Viserion. The Night King keeps his gaze on an enraged Jon, who appears on the verge of calling him down to fight directly, but his lieutenant hands him another spear. The Night King throws it at Drogon, but the dragon takes flight and dodges in time. Jon stays on the ground to cover the others' departure, but is pulled into the water, and the others are forced to flee on Drogon. Jon emerges from the water and is saved by Benjen Stark, who gives Jon his horse to ride to Eastwatch while sacrificing himself to hold off the wights. After their battle is over, the Night King reanimates Viserion.
  The undead army arrives at Eastwatch; when the Night King appears, riding Viserion, Tormund orders the defenders to evacuate. Breathing blue fire, Viserion destroys Eastwatch and a section of the Wall, allowing the White Walkers and their wight army to finally invade the Seven Kingdoms  while the Night King flies overhead towards the North.