The Simpsons season 20

The twentieth season of the American animated sitcom The Simpsons aired on Fox between September 28, 2008 and May 17, 2009. The season was produced by Gracie Films and 20th Century Fox Television. The showrunner for the season was Al Jean. With this season, the show tied Gunsmoke as the longest-running American primetime television series in terms of total number of seasons. The season was released on Blu-ray on January 12, 2010, making this the first season to be released on Blu-ray as well as the only one to contain both 16:9 widescreen and high-definition episodes. It was released on DVD in Region 1 on January 12, 2010, and in Region 4 on January 20, 2010. The season was only released on DVD in Region 2 on September 17, 2010, in a few areas.