<Tr> <Td_colspan="2"> ← Previous Season 12 Next → Season 14 </Td> </Tr> <Tr> <Td_colspan="2"> List of Grey's Anatomy episodes </Td> </Tr> <P> The thirteenth season of the American television medical drama Grey's Anatomy premiered on September 22, 2016, in the United States on the American Broadcasting Company (ABC), and consisted of 24 episodes . The season was ordered on March 3, 2016, along with ABC's other shows . The season is produced by ABC Studios, in association with ShondaLand Production Company and The Mark Gordon Company; the showrunner being Shonda Rhimes . </P> <P> This season will be the first not to feature Sara Ramirez as Dr. Callie Torres since her introduction in the second season, following her departure at the conclusion of the previous season . </P>

When did grey's anatomy season 13 start