<P> "Dragonstone" is the first episode of the seventh season of HBO's fantasy television series Game of Thrones, and the 61st overall . It was written by series co-creators David Benioff and D.B. Weiss, and directed by Jeremy Podeswa . </P> <P> In Dragonstone, Daenerys Targaryen (Emilia Clarke) and Tyrion Lannister (Peter Dinklage), along with her loyalists, arrive and explore the abandoned castle, Dragonstone, the ancient seat of House Targaryen . At the Twins, Arya Stark (Maisie Williams) wears the face of Walder Frey (David Bradley) and poisons numerous Freys for their complicity in the Red Wedding . In King's Landing, Cersei Lannister (Lena Headey) and Jaime Lannister (Nikolaj Coster - Waldau) treat with Euron Greyjoy (Pilou Asbæk) who attempts to create an alliance . In Winterfell, Jon Snow (Kit Harington) pardons the heirs of Karhold and Last Hearth, and Sansa Stark (Sophie Turner) warns Jon of Cersei's impending wrath . At the Citadel, Samwell Tarly (John Bradley) begins his training as a Maester, and sends a message to Jon about the dragon glass beneath Dragonstone . At the Wall, Bran Stark (Isaac Hempstead Wright) arrives and is taken south to Castle Black, and the Brotherhood Without Banners, including Sandor Clegane (Rory McCann) continue their journey north to the Wall . </P> <P> "Dragonstone" received positive reviews from critics, who considered Arya's revenge on House Frey, Sandor Clegane's atonement for his old life, and Daenerys's dramatic homecoming to Dragonstone as highlights of the episode . In the United States, the episode achieved a viewership of 10.11 million in its initial broadcast . </P> <P> Disguised as Walder Frey, Arya Stark kills all the House Frey men with poisoned wine, denouncing them for their actions and leaving Walder's wife Kitty alive to bear witness that "the North remembers ." While traveling south, Arya makes camp with friendly Lannister soldiers . Her claimed intention to kill the Queen is taken as a joke . </P>

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