George R.R. Martin, author of the ‘Game of Thrones’ series, hints at a potential title change for the upcoming prequel ‘A Knight of the Seven Kingdoms,’ which is based on his ‘Dunk and Egg’ novellas. The series, set 100 years before ‘Game of Thrones,’ tells the story of Ser Duncan the Tall and Egg, and is expected to premiere in 2025.