The Big Bang Theory (2007–2019)
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The Peanut Reaction 

When Penny learns that Leonard has never had a birthday party, she and the rest of the guys plan a surprise party for him.

Director:

Mark Cendrowski

Writers:

Chuck Lorre (created by), Bill Prady (created by) | 4 more credits »
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Cast

Episode complete credited cast:
Johnny Galecki ... Leonard Hofstadter
Jim Parsons ... Sheldon Cooper
Kaley Cuoco ... Penny
Simon Helberg ... Howard Wolowitz
Kunal Nayyar ... Raj Koothrappali
Vernee Watson ... Althea (as Vernée Watson)
Judith Moreland ... Jan
Ronald Hunter ... Dan
Chuck Carter Chuck Carter ... Stan
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Storyline

Penny wishes Leonard a happy birthday which she knows is this upcoming Saturday, when she expects him to at least come in for his free piece of birthday cake at the restaurant. She is shocked to learn that Leonard not only does not celebrate his birthday, but that he's never had a birthday party. Regardless of Leonard's wants, Penny decides to throw him a surprise party. Although she gets help from Sheldon, Howard and Raj, the preparation for the party does not go to her plans, including needing to help Sheldon buy a gift, Howard not being able to get Leonard out of the apartment, and Raj not being able to decorate the apartment since Leonard's there. Will Leonard enjoy his first birthday party after all this difficult effort? Written by Huggo

Plot Summary | Add Synopsis

Genres:

Comedy | Romance

Certificate:

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Did You Know?

Trivia

The ER nurse, Althea (Vernee Watson), is the same person (or at least the same actress) as the waiting room nurse in the sperm bank from the "Pilot". See more »

Goofs

Penny mentions that Sheldon is a "typical Taurus" during a conversation at the Cheesecake Factory. However, in Season 8 - The Intimacy Acceleration, Penny says that Sheldon is a Pisces. See more »

Quotes

Sheldon Cooper: We might as well stop. It's a stalemate. You're beating me in "Tetris," but you have the upper strength of a Keebler elf.
Raj Koothrappali: Keebler elf? I've got your Keebler elf right here!
Raj Koothrappali: [grunts; tries to pull harder, with both hands, but Sheldon doesn't budge] Okay, it's a stalemate.
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Crazy Credits

CHUCK LORRE PRODUCTIONS, #210 I believe that in order to walk through grief, fear, loneliness, despair, confusion and anger without recourse to drugs, alcohol, over-eating, over-sexing, or the endless mind-numbing distractions provided by Western culture, one must become a spiritual warrior. I further believe that the pay-off for enduring suffering, for soberly embracing the inevitable bouts of emotional pain that life brings, is wisdom and serenity in the face of calamity. But make no mistake here, the path of the warrior is treacherous and cannot be walked alone. To survive, he must have brothers and sisters-in-arms to carry him when he buckles. When we lived and died in small tribes, this principle of mutually supporting one another through the trials of life was deeply woven into the fabric of the group mind. With the advent of towns and cities we were forced to live with the daily dilemma of being desperately alone and yet desperately needing one another. Which is why we are, by design, always seeking new tribes. With that in mind, I humbly offer a simple guideline to evaluate the efficacy of any tribe you might encounter on your path to becoming a spiritual warrior: if they ask for your money or access to your crotch, run away. If they ask for your money, smile unceasingly, never blink, and guarantee to make you a demi-god, running away will not suffice. Change your mailing address and briefly reconsider drugs, alcohol, food, sex and TV. See more »

Connections

Referenced in The Big Bang Theory: The Imitation Perturbation (2018) See more »

Soundtracks

True Colors
(uncredited)
Written by Tom Kelly and Billy Steinberg
Performed by Kunal Nayyar
[Raj sings the song at Leonard's birthday party]
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Details

Country:

USA

Language:

English

Release Date:

12 May 2008 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs

Runtime:

Sound Mix:

Stereo

Color:

Color

Aspect Ratio:

16:9
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