Nairn appears as Hodor in season four, episode five, First of His Name. His character is imprisoned by mutineers from the Night’s Watch along with the characters of Bran Stark, played by Isaac Hempstead-Wright and Thomas Sangster and Ellie Kendrick as Jojen and Meera Reed. Meera is threatened by mutineer Karl, played by Burn Gorman, but the mutineers come under attack from Night’s Watchmen who have come north to disrupt their rebellion. The Night’s Watchman Locke, played by Noah Taylor, who is secretly a double agent for a former Stark ally turned traitor, attempts to kidnap Bran for his master. Bran uses his psychic powers to enter Hodor’s mind and use his body to kill Locke.