In 2016, "Game of Thrones" fans online went wild when they found out the meaning of Hodor’s name. In this excerpt from his memoir Beyond the Throne, Kristian Nairn tells the surprising story of what happened while he filmed it.

The actor talks about his new memoir, 'Beyond the Throne,' and tells PEOPLE about filming Hodor's "monumental" final scene

Game of Thrones” actor Kristian Nairn, who played the fan favorite character Hodor, sat down with NBC News’ Joe Fryer about his new book, “Beyond the Throne,” a memoir that shares behind-the-scenes stories from the hit show.

George R.R. Martin] made the very funny quip where I was talking about deadlines being stressful. He said, ‘I’m 12 years late, Kristian. I understand about deadlines.’”

Since openly criticizing the Game of Thrones prequel show House of the Dragon earlier this month, George R.R. Martin has mostly held his tongue. But the famous author still has things to say.

Game of Thrones’ alum Kristian Nairn opened up about his new memoir, ‘Beyond the Throne,’ in an exclusive interview with Us Weekly