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Yellow Planet

Wikisimpsons - The Simpsons Wiki
Disney+ Episode
"P.S., I Hate You"
786
"Yellow Planet"
"Abe League of Their Moe" 787
Donut Homer.png This episode is considered non-canon and the events featured do not relate to the series and therefore may not have actually happened/existed.

The reason behind this decision is: It's a documentary with the characters as animals.

If you dispute this, please bring it up on the episode's talk page.


"Yellow Planet"
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Episode Information
Episode number: 786
Season number: S36 E18
Production code: 35ABF20
Original airdate: April 22, 2025 Disney Plus.png
Guest star(s): Hugh Bonneville as the narrator
Showrunners: Matt Selman
Al Jean
Co-showrunner: Tim Long
Brian Kelley
Written by: J. Stewart Burns
Directed by: Timothy Bailey

"Yellow Planet" is the eighteenth episode of season 36 of The Simpsons and the seven hundred eighty-sixth episode overall. It's the third of the Disney+ Exclusive Episodes and was released on Disney+ on April 22, 2025, in occasion of Earth Day. The episode was written by J. Stewart Burns and directed by Timothy Bailey. It guest stars Hugh Bonneville as the narrator.

Synopsis

The Simpsons explore Earth in a Nat Geo-style mockumentary.

Plot

In a documentary about the dregs of the animal kingdom, the first species presented are the beluga whale and the narwhal, resembling Homer and Marge. Due to the summer being almost over, they separate, as they are different species, and the narwhal promises him that she'll never forget him. Their friends start asking what they've done together and start singing, but the narwhal tells them she'll never see him again.

Elsewhere, the next creature is the marine iguana, which endangers his offspring by laying eggs in the most dangerous beach of the world, demonstrated by one of them (resembling Milhouse) being eaten by snakes. Teachers, resembling Chalmers and Smithers, gather them around to teach them how to survive, and the first assignment is to reach the safet of the rocks they're standing on. One of them, resembling Martin, volunteers but fails once he starts moving and gets noticed by them. Next, other two, resembling Nelson and Bart, try by letting other iguanas get eaten instead of them, but the Bart lookalike sacrifices the others to get to victory, which earns him a life on a rock with the teachers. He then decides it was better to suicide than that life.

Back at the Arctic, the beluga whale misses his narwhal, when a school of fishes, resembling Moe, tells him to remember there're a lot of them in there, and thus the whale eats and thanks them. The fishes give him more advice and the whale goes off to search for her. Meanwhile, in the rain forest, the mandrill, resembling Ned, lives with his family. When the cameraman approaches, his sons ask him if the humans descend from them, to which he denies as they're made out of God's image, and when they further question it, he tells them from now on they'll be tree schooled. His sons then try to walk on two legs and get scolded again.

Back at the Artic, the narwhals reach their destination, and the whale has found his love and his father, who is questioning why she stayed with him all the time, and the whale tells them that the reason he left his pod is because it was all killed by killer whales. Her dad, resemblind Wolfcastle, agrees for him to join the pod, but he has to behave to blend in, which he doesn't right out of the bat, as he grabs one of them, resembling Ralph, to scratch his itchy back. They start heading to catch some food, but the whale starts deflating due to pressure, so the narwhal inflates him again with a kiss with their spiracle.

Next, moving to South Africa, the narrator tries to talk about penguins, but Morgan Freeman stops him. The next species is the woodpecker finch, where a finch, resembling Lisa, teaches them how to dig ants out of a hole better using a twig. The other finches pay her with regurgitation and build a science building of sort, which then prompts her to propose a bigger twig, calling it a stick, but then cries of help are heard as all ants and the trees are dead as they ate and used them, and technology did it, so they tried their luck moving to the Amazon, not the rainforest, but a Fulfillment Center.

Whale and narwhal arrive at the narwhal's secret and favourite place to eat and then start to mate. The next species is the praying mantis, resembling Kirk and Luann, where the male finds the female eating another male, and complains about his coworkers laughing at him for not getting any, so she proposes to do it right there, and she beheads him immediately before sex, and he asks her to at least take his body to work. Back to the pod, the whale and narwhal share the food with the pod, and announce they're getting married, but his other mates come to find him and unveil his lie, the pod was never slaughtered. The rest of the pod is angry at him and they all leave him and his lie alone.

The narwhal is sad over what happened but after a talk with her mother, she decides to not give up, and meet the fishes that tell her that he went to the Oceanland water park. The fishes say that she still has them if she has any needs, but she declines and eats them, on her way to migrate and find him again. He's doing a sad show at the park, where he asks the orcas, resembling the bully children, to kill him, to which they refuse, stating that the rumor of them doing that was started by his story, when he suddenly hear the narwhal's howls. She calls out to him and gives him another chance, so he tries to do a jump over the basin but fails, killing the instructor. He gets transported with an elicopter over and is freed. In the end, fifteen months after, they have a baby together, resembling Maggie, creating a new species, and let her watch (and then use as a pacifier) Krustacean the Clown.

Gallery

Season 36 Episodes
Bart's Birthday The Yellow Lotus Desperately Seeking Lisa Shoddy Heat Treehouse of Horror XXXV Women in Shorts Treehouse of Horror Presents: Simpsons Wicked This Way Comes Convenience Airways Homer and Her Sisters The Man Who Flew Too Much Bottle Episode The Flandshees of Innersimpson The Last Man Expanding P.S. I Hate You Abe League of Their Moe Stew Lies Full Heart, Empty Pool Estranger Things
Disney+ Exclusive Episodes
O C'mon All Ye Faithful The Past and the Furious Yellow Planet Extreme Makeover: Homer Edition Yellow Mirror
Shorts
The Force Awakens from Its Nap The Good, the Bart, and the Loki Plusaversary When Billie Met Lisa Feliz Navidad Welcome to the Club Rogue Not Quite One May the 12th Be with You The Most Wonderful Time of the Year Apocalypse D'oh!