The Big Bang Theory (2007–2019)
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The Hamburger Postulate 

Leslie seduces Leonard, but afterwards tells him that she is only interested in a one-night stand.


Andrew D. Weyman


Chuck Lorre (created by), Bill Prady (created by) | 3 more credits »




Episode complete credited cast:
Johnny Galecki ... Leonard Hofstadter
Jim Parsons ... Sheldon Cooper
Kaley Cuoco ... Penny
Simon Helberg ... Howard Wolowitz
Kunal Nayyar ... Raj Koothrappali
Sara Gilbert ... Leslie Winkle


When Leslie Winkle asks Leonard to join the faculty string quartet, he has no idea that it may lead to more personal endeavors, especially as their first and only experience in dating each other went nowhere. Leonard's not sure how to reconcile his feelings for immediate sex with Leslie versus his want to date Penny, especially if Penny finds out that he is in a potential relationship. Sheldon's not sure what the protocol is when a roommate has a spontaneous "guest". But Sheldon is aware that by the end of Leonard and Leslie's encounter, he feels violated. And Leonard's feelings may change when he understands Leslie's motivations. Written by Huggo

Plot Summary | Add Synopsis


Comedy | Romance


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Release Date:

22 October 2007 (USA) See more »

Company Credits

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Technical Specs



Sound Mix:




Aspect Ratio:

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Did You Know?


It is revealed here that Sheldon (Jim Parsons) went to college at the age of 11. See more »


When Leonard and Leslie get up and rush to the bedroom, he leaves his cello on the floor, and the two folding chairs and their music stands are left where they were. When Sheldon comes home, these are all missing. See more »


[first lines]
Sheldon Cooper: Alright. I'm moving my infantry division, augmented by a battalion of orcs from Lord of the Rings. We fight the Tennessee Volunteers, and the North once again wins the Battle of Gettysburg.
Howard Wolowitz: Not so fast. Remember the South still has two infantry divisions, plus Superman and Godzilla.
Leonard Hofstadter: No, no, no no. Orcs are magic; Superman is vulnerable to magic. Not to mention, you already lost Godzilla to the Illinois Cavalry and Hulk.
Raj Koothrappali: Why don't you just have Robert E. Lee charge the line with ...
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Crazy Credits

CHUCK LORRE PRODUCTIONS, #189 Last winter the magazine Entertainment Weekly did a story about me in which I was called "the angriest man in television." When the article came out I shrugged and said things like, "Oh, it's just a trashy tabloid, it doesn't mean anything." But you know what? That's a lot of crap. It's taken me ten months to get in touch with my feelings about that article (pretty quick for a guy), and guess what? I'm angry! How dare anyone suggest I have no right to feel what I feel? If you're even barely engaged in this world, anger manifests itself constantly (assuming you're not medicated, which I am not, dammit to hell!). And let's be totally honest here, anger does a lot of good. It clenches my stomach muscles into a tight knot so I can look good with my shirt tucked in. It adds hours and hours of productivity by keeping me awake until five o'clock in the morning. It's a constant reminder that I should never own a gun. It makes golf an opportunity to practice my javelin toss. It fills me with joy every time Lewis Black is on The Daily Show. It adds sizzle to caffeine. It whispers to me that I'm fine, that I don't need to slow down, and that my cardiologist is an idiot. It keeps people at a healthy distance during flu season (and the rest of the year as well). And finally, it encourages me to use my vanity card to foolishly burn bridges with TV critics. Hey EW! Do not screw with me. I've got two vanity cards now, and I'm not afraid to use 'em Okay, the sun's coming up, I'm gonna try and get some sleep. See more »


References Godzilla (1954) See more »


Have You Ever Really Loved a Woman?
Written by Bryan Adams, Michael Kamen and Robert John Lange
Performed by Bryan Adams
[The song is playing in Leonard's room when he's there with Leslie, while Sheldon and Penny stand outside the bedroom door]
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