Conversation so far:
who were the new members to the cast of the game of thrones season 3
The third season of Game of Thrones introduced a number of new cast members, including Diana Rigg, Ciarán Hinds, Nathalie Emmanuel and Iwan Rheon.
when did season 3 of got premiere
The third season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on March 31, 2013

Question: how many episodes did the season have
Self-contained rewrite: how many episodes did the season 3 of got have