Game Of Thrones Season 6 Finale: The Winds Of Winter Sneak Preview

HBO has released a sneak preview of next Sunday's season finale episode of Game of Thrones, which is titled "The Winds Of Winter."

Spinning out of the game-changing events of tonight's "Battle of the Bastards," "The Winds Of Winter" is named for is the forthcoming sixth novel in the epic fantasy series A Song of Ice and Fire by George R. R. Martin, on which Game of Thrones is of course based.

There was no official synopsis released for next week's episode. Even the on-screen cable programming guides are not expected to have any descriptions.

HBO has confirmed that the final episode will indeed be the longest episode ever at 69 minutes in length.

Additionally, the episode will be directed by veteran Game of Thrones director Miguel Sapochnik, who also handled tonight's "Battle of the Batards." He previously directed the episode "Hardhome", one of the more highly acclaimed Game of Thrones episodes.

Game of Thrones Season 6 stars Peter Dinklage (Tyrion Lannister), Nikolaj Coster-Waldau (Jaime Lannister), Lena Headey (Cersei Lannister), Emilia Clarke (Daenerys Targaryen), Aidan Gillen (Petyr "Littlefinger" Baelish), Kit Harington (Jon Snow), Diana Rigg (Lady Olenna Tyrell), Sophie Turner (Sansa Stark), Maisie Williams (Arya Stark), Jonathan Pryce (the High Sparrow), Alfie Allen (Theon Greyjoy), John Bradley (Samwell Tarly), Dean-Charles Chapman (Tommen), Gwendoline Christie (Brienne of Tarth), Liam Cunningham (Davos Seaworth), Natalie Dormer (Margaery Tyrell), Nathalie Emmanuel (Missandei), Jerome Flynn (Bronn), Iain Glen (Jorah Mormont), Isaac Hempstead Wright (Bran Stark), Conleth Hill (Varys), Kristofer Hivju (Tormund Giantsbane), Michiel Huisman (Daario Naharis), Michael McElhatton (Roose Bolton), Hannah Murray (Gilly), Iwan Rheon (Ramsay Bolton), Carice van Houten (Melisandre), Indira Varma (Ellaria Sand) and Tom Wlaschiha (Jaqen H'ghar), with Pilou Asbaek, Essie Davis, Souad Faress, James Faulkner, Richard E. Grant, Ian McShane, Joe Naufau, Freddie Stroma and Max von Sydow.

Game of Thrones, "The Winds Of Winter," airs Sunday, June 26 at 9 p.m. ET on HBO.