FXX

FXX is an American television network launched in 2013 by 20th Century Fox. It is well known by their two Simpsons marathons and their block of Simpsons reruns that air on Sunday, Monday, Tuesday, Thursday and Friday every week since the first marathon ended.

Every.Simpsons.Ever.
In 2013, for $750 million, FXX acquired syndication rights to Fox's long running series, The Simpsons. At that time, FXX already had rights to show The Simpsons Movie, however.

To celebrate the network acquiring syndication rights to The Simpsons, in 2014, FXX held a 12 day Simpsons marathon known as "Every.Simpsons.Ever.", which ran from August 21st to September 1st, and consisted of all 552 episodes of the show at that time played chronologically and uncut, including The Simpsons Movie. The marathon was also accompanied by customized idents, promos, and bumpers. Critics said that the 2014 Simpsons marathon was the longest continuous marathon in the history of television, but this record was beaten by VH1 Classic's 19 day Saturday Night Live marathon.

In 2016, to celebrate the 600th episode of The Simpsons, FXX did another Simpsons marathon, but it lasted 13 days instead due to the increase in episodes between the marathons. This marathon ran from November 24th to December 6th, and consisted of all 600 episodes playing chronologically and uncut, but doesn't include The Simpsons Movie.

Syndicated reruns
Shortly after the first marathon ended on September 1st, 2014, FXX began to rerun Simpsons episodes every week, and the episodes are randomly picked. As of September 1st, 2014, FXX's block of Simpsons reruns run on every Sunday, Monday, Tuesday, Thursday and Friday of every week, except for Wednesday and Saturday. However, unlike the marathons, FXX's prints of episodes for their syndicated rerun block are cut, just like Fox's syndicated prints.