Game of Thrones is HBO's adaptation of George R.R. Martin's of A Song of Ice and Fire. It premiered on HBO on April 17, 2011 and finished airing on May 19, 2019. The series consists of eight seasons and a total of 73 episodes. Westeros.org provides an episode guide for all eight seasons, though the format changes somewhat after season five. The character guide was discontinued partway through the series, though both remain on the site for now.