Question: what episode of game of thrones is mastodon in?
Answer: Mastodon made a cameo on the 'Game of Thrones' season finale Mastodon cameoed on the Game of Thrones Season Seven finale last, appearing as White Walkers. Band members Brann Dailor, Bill Kelliher, and Brent Hinds all featured on the episode, titled 'The Dragon and the Wolf'.