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Step Brother from the Same Planet

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Season 34 Episode
735 "From Beer to Paternity"
736
"Step Brother from the Same Planet"
"When Nelson Met Lisa" 737


"Step Brother from the Same Planet"
Step Brother from the Same Planet promo 7.png
Episode Information
Episode number: 736
Season number: S34 E8
Production code: UABF22
Original airdate: November 20, 2022
Guest star(s): Carol Kane as Blythe
Melissa McCarthy as Calvin
Showrunner: Matt Selman
Co-showrunner: Carolyn Omine
Written by: Dan Vebber
Directed by: Matthew Faughnan


"Step Brother from the Same Planet" is the eighth episode of broadcast season 34 of The Simpsons and the seven hundred thirty-sixth episode overall. It originally aired on November 20, 2022. The episode was written by Dan Vebber and directed by Matthew Faughnan. It guest stars Carol Kane as Blythe and Melissa McCarthy as Calvin.

Synopsis[edit]

"Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend's quirky young son. Meanwhile, Lisa and Bart throw the ultimate slumber party in Grampa's room at the Retirement Castle."


Plot[edit]

The Simpson family go to the Art in the Park event, where Lisa bumps into Sherri, Terri, and Janey, who are doing a scavenger hunt for Francine's birthday party. They attend Art in the Park to get a picture of something sad. When Lisa realizes she hasn't been invited because she's a party narc, they take a picture of Lisa. Meanwhile, Marge buys a small wooden box and some polish for it, which contains carnauba wax. At the same time, Homer sees an old man with a man bun and starts mocking him—until he realizes it's Grampa. Grampa introduces Homer and Marge to his new girlfriend, Blythe, who he's been seeing for six months. They meet at the Retirement Castle, where Blythe is hired to cleanse the residents' auras with a therapeutic sound bath. Grampa also reveals that he's moving in with Blythe.

Homer and Marge have dinner with Blythe and Grampa and discover that Blythe has a son, Calvin. Homer assumes Calvin is a weird kid and expects Grampa to dislike him, but Grampa treats Calvin better than he treats Homer. Seeing this, Homer starts treating Calvin with disdain and pushes away the food Calvin and Grampa make together. During dinner, Calvin gives Grampa his eye drops, which make him partially blind. Homer also learns that Calvin practices taxidermy.

At the Retirement Castle, Bart and Lisa retrieve Grampa's denture cup. When they find out Grampa has the room booked for two more weeks, they decide to throw a party there so Lisa can become popular. Back at the house, Homer discovers he's allergic to the carnauba wax in the polish Marge has been using on every surface, so he moves in with Grampa and Blythe. Homer stays in Calvin's room, but the two fight due to Homer's dislike of Calvin. This escalates into a prank war. At the Retirement Castle, Bart and Lisa throw a party, which becomes a massive hit with the kids.

Homer drives Calvin to his taxidermy class at Second Life Taxidermy. After mocking both Calvin and taxidermy, Homer visits Moe's Tavern to complain to his friends. At school, Bart notices that Lisa is becoming obsessed with throwing the best party ever. At Blythe's house, Homer puts on Calvin's hat and kneels in front of the mirror, mockingly imitating him. Grampa walks in and says kind things to Homer, which lifts his spirits—until he realizes Grampa, still partially blind, thinks he's talking to Calvin. Feeling rejected, Homer goes outside to sulk. Calvin joins him and realizes Homer is upset about his relationship with Grampa. Homer dresses Calvin up as himself to show how Grampa treats him. Calvin and Homer talk, and Calvin encourages Homer to express his true feelings to Grampa.

At the next Retirement Castle party, things spiral out of control. Lisa decides to call the police to shut it down. When the police arrive, Lisa sits in the back of the car to empty churro sugar from her shoes. As the kids exit the Retirement Castle, they believe Chief Wiggum is arresting Lisa. She convinces Wiggum to drive off with her in the car to maintain the illusion. Meanwhile, Calvin attends the taxidermy convention at the Shelbyville Inn. Homer arrives with his entry: two shells with googly eyes glued to them, representing himself and Grampa. Grampa initially complains about the entry, but after a closer look, he realizes how Homer truly feels about their relationship. They have a heartfelt conversation, and Grampa admits everything was his fault.

Sometime later, Blythe breaks up with Grampa for a man with whom she shares a better spiritual connection. Her new boyfriend takes Calvin to Africa to study animals. Grampa is simply happy to be close with Homer again, which he tells him over the phone. At the Simpson house, however, Homer ignores the call, assuming it's a butt dial.

International airdates[edit]

Country Airdate Channel
Italy September 25, 2023 Italia Uno

In other languages[edit]

Language Name Translation
Italy Flag.png Italiano "Fratellastro di un altro pianeta" Step brother from another planet

Gallery[edit]


The Saga of Carl - title screen.png Wikisimpsons has a collection of images related to "Step Brother from the Same Planet".
Season 34 Episodes
Habeas Tortoise One Angry Lisa Lisa the Boy Scout The King of Nice Not It Treehouse of Horror XXXIII From Beer to Paternity Step Brother from the Same Planet When Nelson Met Lisa Game Done Changed Top Goon My Life as a Vlog The Many Saints of Springfield Carl Carlson Rides Again Bartless Hostile Kirk Place Pin Gal Fan-ily Feud Write Off This Episode The Very Hungry Caterpillars Clown V. Board of Education Homer's Adventures Through the Windshield Glass
Production season UABF Episodes
Portrait of a Lackey on Fire Mothers and Other Strangers A Made Maggie Pixelated and Afraid The Longest Marge Boyz N the Highlands You Won't Believe What This Episode Is About – Act Three Will Shock You! Bart the Cool Kid Pretty Whittle Liar The Sound of Bleeding Gums My Octopus and a Teacher Girls Just Shauna Have Fun Meat Is Murder Poorhouse Rock Marge the Meanie Habeas Tortoise Not It Treehouse of Horror XXXIII One Angry Lisa The King of Nice Lisa the Boy Scout Step Brother from the Same Planet