Hardhome marks the beginning of the winter that we’re constantly reminded about in Game of Thrones’ early seasons.

The episode features an unforgettable clash between Jon Snow/Night’s Watch and the chilling White Walkers beyond the Wall.

Back home in Winterfell, Sansa Stark learns of her brothers’ murder by the hands of Theon Greyjoy, who is now called Reek. Across the Narrow sea, Tyrion strikes an alliance with the Mother of Dragons.