Before The Simpsons breaks the record for most scripted TV episodes ever, it'll break its own record for longest marathon in TV history when FXX airs 600 episodes back to back (to back to back to back...)
The marathon starts at noon on Thanksgiving (Nov. 24) and continues for 13 days, until Wednesday, Dec. 6 at midnight. Twenty-seven seasons of television will air in chronological order, plus a few from the still-in-progress Season 28.
This 600-episode marathon will break The Simpsons' previous Guinness World Record for longest TV marathon, which it set with a 553-episode marathon in 2014 that launched the FXX network.
Six hundred episodes is a daunting proposition, but TVGuide.com is here to take care of you. We've compiled a list of when a selection of best-of-the-best Simpsons episodes are on for your tuning-in pleasure. This is by no means a comprehensive list, but they're some of our favorites (all times ET).
Episode 13: "Some Enchanted Evening" (Thursday, Nov. 24, 6pm)
Fun fact: the Season 1 finale was supposed to be the series premiere, but was delayed because the animation was terrible and needed to be fixed. It'll be on around dinnertime on Thanksgiving, so it'll be a great thing to put on and zone out to as you slip into a food coma.
Episode 16: "Treehouse of Horror" (Thursday, Nov. 24, 7:30pm)
But if you watch only one episode on Thanksgiving, make it the first Halloween special. It's fun to mix holidays.
Episode 26: "Homer vs. Lisa and the 8th Commandment" (Friday, Nov. 25, 12:30am)
When you get up to make a sandwich with leftovers/can't sleep due to indigestion, this classic Season 2 episode (the first to win The Simpsons an Emmy!) will give you something to look at.
Episode 38: "When Flanders Failed" (Friday, Nov. 25, 6:30am)
Ned Flanders probably gets up at 6:30 the day after Thanksgiving, so if you're up at the crack of dawn to get some Black Friday deals, go ahead and put this on while you sip your coffee.
Episode 45: "Flaming Moe's" (Friday, Nov. 25, 10am)
One of the pivotal episodes that showed The Simpsons wasn't just about the core family but the whole world of Springfield, this Season 3 episode is focused on the bartender Moe. It's also hilarious.
Episode 68: "Mr. Plow" (Friday, Nov. 25, 9:30pm)
"When two best friends work together, not even God Himself can stop them!"
Episode 71: "Marge vs. the Monorail" (Friday, Nov. 25, 11pm)
Arguably the funniest episode of arguably the best show ever; therefore, arguably the greatest episode of television in the history of the medium. Shout out to Conan O'Brien, who wrote this one.
Episode 76: "Last Exit to Springfield" (Saturday, Nov. 26, 1:30am)
What's inarguable is that there's a better season of a comedy series than Season 4 of The Simpsons. Stay up late to watch this one.
Episode 90: "The Last Temptation of Homer" (Saturday, Nov. 26, 8:30am)
Michelle Pfeiffer's appearance as Mindy Simmons, a coworker with whom Homer almost cheats on Marge, is perhaps the show's best guest voice performance.
Episode 100: "Sweet Seymour Skinner's Baadasssss Song"(Saturday, Nov. 26, 1:30pm)
We're already 100 episodes in! We can't stop now!
Episode 115: "Homer the Great" (Saturday, Nov. 26, 9pm)
In which Homer joins the secret fraternal order of the Stonecutters. Good luck getting their theme song out of your head.
Episode 149: "22 Short Films About Springfield" (Sunday, Nov. 27, 2pm)
Episode 158: "Bart After Dark" (Sunday, Nov. 27, 6:30pm)
Another episode, another great song.
Episode 176: "Homer's Enemy" (Monday, Nov. 28, 3:30am)
Frank Grimes arrives to make Springfield take a good, hard look at itself. My personal favorite episode.
Episode 206: "Bart the Mother" (Monday, Nov. 28, 6:30pm)
"When wintertime rolls around, the gorillas simply freeze to death."
Episode 241: "Missionary: Impossible" (Tuesday, Nov. 29, 12pm)
By this point, you'll be so deep in the marathon you'll be shouting "Save me, Jebus!"
Episode 302: "Barting Over" (Wednesday, Nov. 30, 6:30pm)
I was in middle school when the 300th episode rolled around, so the appearances by skateboarder Tony Hawk and pop-punk band Blink-182 really resonated with me. This show really has something for everyone.
Episode 333: "The Way We Weren't" (Thursday, Dec. 1, 10am)
An underrated (this was the least-watched episode of the first 15 seasons when it first aired in 2004) sequel to Season 2's "The Way We Was" goes back in time to when Marge and Homer were kids and explores the origins of their sweet relationship.
Episode 369: "The Seemingly Never-Ending Story" (Friday, Dec. 2, 4am)
Point to this episode's intricate plotting to disprove any "The Simpsons stopped being good in Season 10" arguments.
Episode 406: "Little Orphan Millie" (Friday, Dec. 2, 10pm)
This list has to have a Milhouse episode, and this one, in which Bart's geeky best friend discovers he's "the world's oldest baby," is as good as any.
Episode 418: "Any Given Sundance" (Saturday, Dec. 3, 4:30am)
The Chalmskinn Productions logo is hilarious.
Episode 445: "Treehouse of Horror XX" (Saturday, Dec. 3, 6pm)
Check back in with Treehouse of Horror as the marathon winds down.
Episode 500: "At Long Last Leave" (Sunday, Dec. 4, 9:30pm)
The best part of the backwards-looking 500th episode is a wonderful mosaic of all the couch gags from the preceding episodes.
Episode 529: "The Saga of Carl" (Monday, Dec. 5, 12pm)
A Carl episode?! A Carl episode.
Episode 595: "Simprovised" (Tuesday, Dec. 6, 9pm)
This episode contained a very ambitious live segment, which proved that even after almost 600 episodes, The Simpsons could still do things it hadn't done before.
Which episodes will you tune in for? If you miss any — or don't feel like doing the math and just want to watch the one you want to watch when you want to watch it — every episode is available for streaming on Simpsonsworld.com.
The Simpsons 600 episode marathon on FXX starts Thursday, Nov. 24 at noon ET and ends Tuesday, Dec. 6 at midnight.