When does How I Met Your Mother return?

How I Met Your Mother is an American sitcom created by Craig Thomas and Carter Bays. The series, which aired from September 19, 2005, to March 31, 2014, follows main character Ted Mosby and his group of friends in New York City's Manhattan. The vast majority of the episodes (196 out of 208) were directed by Pamela Fryman. Known for its non-contemporary structure, humor, and incorporation of dramatic elements, it was popular throughout its run.
The series follows the adventures of Ted Mosby (played by Josh Radnor) and his love life as a single man. The narrative deals primarily with his best friends. The frame story depicts Ted verbally retelling the story to his son Luke (David Henrie) and daughter Penny (Lyndsy Fonseca) in the year 2030.