Game of Thrones (season 3) was broadcast in the United States.
The second season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on April 1 , 2012 , and concluded on June 3 , 2012 . The third season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on March 31 , 2013 , and concluded on June 9 , 2013 . It was broadcast on Sunday at 9:00 pm in the United States , consisting of 10 episodes , each running approximately 50 -- 60 minutes . The fourth season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on April 6 , 2014 , and concluded on June 15 , 2014 .