<P> The ninth and final season of How I Met Your Mother , an American sitcom created by Carter Bays and Craig Thomas , premiered on CBS on September 23 , 2013 , with two episodes , and concluded on March 31 , 2014 . The show was renewed for the final season on December 21 , 2012 , after cast member Jason Segel changed his decision to leave the show after Season 8 . Cristin Milioti , who was revealed as `` The Mother '' in the Season 8 finale , was promoted to a series regular , the only time How I Met Your Mother added a new regular cast member . Season 9 consists of 24 episodes , each running approximately 22 minutes in length . </P>
<P> The ninth and final season of How I Met Your Mother , an American sitcom created by Carter Bays and Craig Thomas , premiered on CBS on September 23 , 2013 , with two episodes , and concluded on March 31 , 2014 . The show was renewed for the final season on December 21 , 2012 , after cast member Jason Segel changed his decision to leave the show after Season 8 . Cristin Milioti , who was revealed as `` The Mother '' in the Season 8 finale , was promoted to a series regular , the only time How I Met Your Mother added a new regular cast member . Season 9 consists of 24 episodes , each running approximately 22 minutes in length . </P>
when did the last episode of how i met your mother air
when did the last episode of how i met your mother air
March 31 , 2014
March 31 , 2014