when was the actor revealed as "The Mother" in the Season 8 finale in  How I Met Your Mother born
How I Met Your Mother (season 9) 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.
David Burtka David Michael Burtka (born May 29, 1975) is an American actor and professional chef. He is known for his acting roles in theatre and television shows such as "How I Met Your Mother" and "The Play About the Baby". After his role on "How I Met Your Mother", Burtka gained media attention for dating Neil Patrick Harris, whom he later married in 2014.