The Winds of Winter (Season 6, Episode 10)

"The Winds of Winter" is the tenth and final episode of the sixth season of HBO's fantasy television series Game of Thrones, and the sixtieth overall. It was written by series co-creators David Benioff and D. B. Weiss, and directed by Miguel Sapochnik.

Cersei Lannister plots to destroy all her immediate enemies with one swift stroke; Arya Stark gets revenge; Jon Snowis declared King in the North by the lords of the Northern houses; Bran Stark learns that Jon is actually the son of Lyanna Stark; Samwell Tarly arrives at the Citadel; and Daenerys Targaryen begins heading to Westeros alongside Tyrion Lannister, her entire army, the Ironborn loyal to Yara Greyjoy, the Tyrells, the Sand Snakes, and her three dragons.

https://en.wikipedia.org/wiki/The_Winds_of_Winter_(Game_of_Thrones)