HBO has released the recap video that will air before this week's episode of Game of Thrones online. These videos tend to recount moments from past episodes that will be important to remember in the new episode. In this case, we are reminded of the Hound's plan to sell Arya to her aunt in the Vale, Tormund's first encounter with the Thenns, Daenerys' march on Meereen, Gendry's escape from Dragonstone, and Sansa's escape with Ser Dontos during the Purple Wedding. In "Breaker of Chains," In "Breaker of Chains," Tyrion ponders his options. Tywin (Charles Dance) extends an olive branch. Sam (John Bradley) realizes Castle Black isn't safe, and Jon proposes a bold plan. The Hound (Rory McCann) teaches Arya the way things are. Dany chooses her champion. Game of Thrones, "Breaker of Chains," airs Sunday, April 20 at 9 PM ET on HBO.