Premise: How I Met Your Mother . The ninth and final season began airing on September 23 , 2013 , and concluded on March 31 , 2014 , with a double-length finale episode , which received polarized reviews from critics and fans alike for its controversial twist ending , as many critics and fans believed it contradicted many of the previous episodes .
Hypothesis: How I Met Your Mother has 9 seasons.
Label: ENTAILMENT