The Dance of the Dragons reaches its breaking point in the Season 3 finale trailer. HBO’s latest preview for House of the Dragon Season 3, Episode 8 teases an all-out war between the Targaryens and Hightowers with fiery battles and shocking betrayals. House of the Dragon Season 3 Episode 8 trailer shows what happens in the finaleHBO has released the official trailer for House of the Dragon Season 3, Episode 8, the season finale. The preview teases devastating consequences as the Dance of the Dragons reaches its climax. In particular, critics called Episode 7 “the best episode of the season so far.”