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

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Althea (as Vernée Watson)
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Chuck Carter ...
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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

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Comedy | Romance

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Release Date:

12 May 2008 (USA)  »

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16:9
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Did You Know?

Trivia

This is the third time that Penny kisses Leonard. She first kissed him after her Halloween party in "The Middle Earth Paradigm" and in the time machine episode See more »

Goofs

When Howard comes to take Leonard out so Raj can set up for the party, Leonard is seen playing his Xbox 360 but as you can see there is only one connection coming out of the machine. There is no power cord on the Xbox only the audio/video cord. See more »

Quotes

Leonard: How did you know my birthday's Saturday?
Penny: I did your horoscope, remember? I was going to do everybody's until Sheldon went on one of his typical psychotic rants.
Sheldon Cooper: For the record, that psychotic rant was a concise summation of the research of Bertram Forer, who, in 1948, proved conclusively through meticulously designed experiments that astrology is nothing but pseudoscientific hokum.
Penny: Blah, blah, blah, a typical Taurus.
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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

References Léon: The Professional (1994) 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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User Reviews

 
The Peanut Reaction is another funny episode of "The Big Bang Theory"
19 May 2008 | by (Baton Rouge, La.) – See all my reviews

Penny resolves to throw Leonard a surprise birthday party despite Leonard having never experienced such a thing. Sheldon's not on board until Penny threatens to leave a mark on one of his mint comics. It's Howard who has to make Leonard leave his apartment so he fakes a peanut allergy to get his friend to take him to a hospital. Meanwhile, Penny and Sheldon go to an electronics store to get Leonard a gift but Sheldon stays too long because of customers wanting info about computer buying of which Sheldon, of course, has plenty of knowledge. With this big delay, Howard has to take his medical procedure to keep Leonard from going to his home too quickly. When they finally arrive, Penny and Sheldon are asleep while Raj is shirtless at the microphone. As Leonard and Penny look at the highlights of the party on the ipod, Penny kisses Leonard sympathetically as he then asks when her birthday is...Plenty of funny scenes, mostly concerning Howard and his reactions to what kind of girls Penny was going to bring. Also, he tries to blackmail a black female receptionist with the bill that had the face "that freed all you people" which she answers with "not unless Ben Franklin and his five twin brothers were on them". LOL! With one more episode to go, this is a very good first season of "The Big Bang Theory".


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