Longest Marathon in TV History Is of Course for The Simpsons

FXX has announced that it will air all 600 episodes of The Simpsons in a row as part of a marathon event said to be the longest in TV history.

The marathon begins at noon ET on November 24 (Thanksgiving Day), and runs for 13 days, ending on Tuesday, December 6, EW reported. Episode 600, a Treehouse of Horror episode involving Frank Grimes, will air on October 19 on parent network Fox.

According to FXX, this is the longest marathon in the history of television, surpassing the previous record of 552 back-to-back episodes in 2014, also for The Simpsons.

The 28th season of The Simpsons debuts this Sunday, September 25, at 8 PM ET. Comedian Amy Schumer voices Mr. Burns' mother in the episode, which is titled "Monty Burns' Fleeing Circus."

The new season will also host the show's first-ever hour-long episode, featuring Empire's Taraji Henson and comedian Keegan-Michael Key.