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All 600 Episodes of The Simpsons Will Air in a 300-Hour FXX Marathon

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For Simpsons fanatics,it sounds like a dream come true: From noon on Thanksgiving Day (Nov. 24) until Dec. 6, the FXX network will be airing all 600 episodes of The Simpsons in chronological order, spanning over 300 hours (13 days).

According to IGN, FXX currently holds the record for the longest TV marathon, when the network broadcast 552 episodes of the same animated series in a 12-day marathon in 2014.

The new, 27-season marathon will begin with the 1989 Simpsons Christmas special, also known as Simpsons Roasting on an Open Fire. The episode was nominated for two Emmy Awards in 1990.

The 28th season of The Simpsons premieres on Sunday, Sept. 25 on FXX’s parent network, Fox. The 600th episode, Treehouse of Horror XXVII, involving Frank Grimes, is set to air on Oct. 19.

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Write to Kate Samuelson at kate.samuelson@time.com