Watch The Simpsons Season 31 full episodes online, free and paid options via our partners and affiliates.

Costa Rica - The Simpsons
Watch The Simpsons Season 31 Episode 7
"Livin La Pura Vida"
Original Air Date:

On The Simpsons Season 31 Episode 7, the Simpsons join other Springfield families on the Van Houten's trip to Costa Rica, which they obviously can't afford.

A New Hobby - The Simpsons
Watch The Simpsons Season 31 Episode 6
"Marge the Lumberjill"
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On The Simpsons Season 31 Episode 6, Marge realizes that everyone views her as boring, so she takes up competitive lumber-jacking as a hobby.

Set Them Free - The Simpsons
Watch The Simpsons Season 31 Episode 5
"Gorillas on the Mast"
Original Air Date:

On The Simpsons Season 31 Episode 5, Homer buys a boat and quickly realizes boat ownership sucks and Lisa wants to set free Springfield's most vicious animals.

Maggie's a Demon - The Simpsons
Watch The Simpsons Season 31 Episode 4
"Treehouse of Horror XXX"
Original Air Date:

On The Simpsons Season 31 Episode 4, there's a mission to rescue Milhouse from another dimension and dead-Homer's spirit tries on some new bodies for size.

Street Festival - The Simpsons
Watch The Simpsons Season 31 Episode 3
"The Fat Blue Line"
Original Air Date:

On The Simpsons Season 31 Episode 3, Chief Wiggum tries to prove that he's still up for policing when he tries to prove the wrong man was arrested of a crime.

Supervising Interns - The Simpsons
Watch The Simpsons Season 31 Episode 2
"Go Big or Go Homer"
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On The Simpsons Season 31 Episode 2, Homer is demoted to supervising interns, among whom is go-getter millennial Mike, who asks Homer to be his mentor.

Going Viral - The Simpsons
Watch The Simpsons Season 31 Episode 1
"The Winter of Our Monetized Content"
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On The Simpsons Season 31 Episode 1, Lisa battles the school's new industrialized detention system while a video of Bart and Homer fighting goes viral.