The Big Bang Theory Episodes Codexery

The Platonic Permutation

Sheldon and Amy reconnect as friends after their breakup.

The Platonic Permutation

"The Platonic Permutation" is the ninth episode of the ninth season of the American television sitcom The Big Bang Theory, and the 192nd episode overall. It first aired on CBS on November 19, 2015. The episode follows three storylines set during Thanksgiving: Sheldon and Amy's meeting as friends after their breakup, Howard and friends volunteering at a soup kitchen, and Leonard and Penny's minor conflict over a forgotten birthday.

Episode number
192nd overall, ninth of season nine
Original air date (US)
November 19, 2015
Network
CBS
Teleplay by
Steve Holland, Maria Ferrari, Adam Faberman
Story by
Jim Reynolds, Jeremy Howe, Tara Hernandez
Directed by
Mark Cendrowski
Guest appearance
Elon Musk as himself

Quick Facts

Series
The Big Bang Theory
Season
9
Guests
Elon Musk as himself / Wayne Wilderson as Travis
Teleplay
Steve Holland / Maria Ferrari / Adam Faberman
Story
Jim Reynolds / Jeremy Howe / Tara Hernandez
Director
Mark Cendrowski
Airdate
2015-11-19
Production
4X7209
Length
21 minutes
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The Earworm Reverberation
Season Article
The Big Bang Theory season 9

Facts from the source article.

Lore & Background

The episode's first storyline follows Sheldon Cooper and Amy Farrah Fowler, still broken up, as they attend a Thanksgiving dinner at an aquarium as friends. Sheldon asks Amy about her dating life and they play a fish-themed game, eventually reconnecting. The second subplot involves Bernadette, Raj, Emily, and Howard volunteering at a soup kitchen, where Howard meets Elon Musk and bonds with him over space travel. The third subplot follows Leonard and Penny preparing Thanksgiving dinner; Leonard discovers Penny does not know his birthday and, in apologizing for reading her journal, dances in orange lingerie, which is witnessed by the returning group.

Reader's Guide

The episode received mixed reviews from critics. Critics praised the Sheldon and Amy storyline, with IGN's Jesse Schedeen calling it a "welcome way of bringing Sheldon and Amy back together without needlessly pushing them back into each other's arms." Digital Spy's Tom Eames noted the rare downbeat ending—Sheldon declining to be Amy's boyfriend—as "one of the most realistic moments the show has ever had." However, the other two subplots were criticized: the soup kitchen storyline was deemed lacking in humor and message, and Musk's appearance was called "pointless and self-indulgent" by Eames and "stiff and awkward" by Schedeen. The Leonard and Penny subplot was described as "mildly funny" but repetitive. The episode won the Excellence in Production Design Award at the Art Directors Guild Awards 2015 for its work on this and two other episodes.

Did You Know?

More in The Big Bang Theory episodes 1-24

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