Question: how many episodes are in season 1 of spartacus
Answer: Season Title Episodes Originally aired First aired Last aired Blood and Sand 13 January 22 , 2010 ( 2010 - 01 - 22 ) April 16 , 2010 ( 2010 - 04 - 16 ) Prequel Gods of the Arena 6 January 21 , 2011 ( 2011 - 01 - 21 ) February 25 , 2011 ( 2011 - 02 - 25 ) Vengeance 10 January 27 , 2012 ( 2012 - 01 - 27 ) March 30 , 2012 ( 2012 - 03 - 30 ) War of the Damned 10 January 25 , 2013 ( 2013 - 01 - 25 ) April 12 , 2013 ( 2013 - 04 - 12 )