The first season of the epic fantasy television drama series Game of Thrones premiered on HBO on April 17, 2011, and concluded on June 19, 2011, airing on Sunday at 9:00 pm in the United States. It consisted of 10 episodes, each running approximately 55 minutes in length. Game of Thrones is based on the novel A Game of Thrones, the first entry in A Song of Ice and Fire series by George R. R. Martin. The story takes place in a fictional world, primarily upon a continent called Westeros. The noble House Stark, led by Lord Eddard "Ned" Stark is drawn into schemes against King Robert Baratheon when the Hand of the King Jon Arryn dies mysteriously.