The Big Bang Theory

Season 3 Episode 23

The Lunar Excitation

Aired Monday 8:00 PM May 24, 2010 on CBS



  • Trivia

    • Goof: Sheldon Well, I have no difficulty believing you are not butter.

      When he looks at the container, it appears to be "Country Crock" butter, based on the color of the tub. "I Can't Believe It's Not Butter" containers/tubs are usually bright yellow.

    • This episode marks the first appearance of Amy Farrah Fowler, played by Mayim Bialik.

  • Quotes

    • Penny: Damn you, you rat bastard!
      Leonard: Are you drunk?
      Penny: Zack was a perfectly nice guy and then you *ruined* him!
      Leonard: How did I ruin him?
      Penny: 'Cause in the olden days I never would have known he was so stupid.
      Leonard: Come on, he wasn't that stupid.
      Penny: Yes he *was*! He thought you were going to blow up the *moon*!
      Leonard: Okay, yeah, he's stupid
      Penny: He spent the entire night bragging about how *he* invented the word appeteezers!
      Leonard: (still laughing) Well, how is that my fault?
      Penny: You have destroyed my ability to tolerate idiots, now come with me.
      (grabs Leonard's hand and starts pulling him behind her)
      Leonard: W-where are we going?
      Penny: (shouts) We're gonna have *SEX*!
      Leonard: Wha- I mean oh, OK.
      Sheldon: (comes out of his bedroom) What's going on?
      Penny: Put on your noise cancelling headphones, this is gonna get *loud*.
      Sheldon: Ach, not *this* again.
      (goes back into his room)

    • Raj: I'm telling you, dude, the only way to feel better about Penny going out with other guys is for you to get back on the whores!
      (Leonard and Howard look at Raj awkwardly)
      Howard: Horse.
      Raj: What?
      Howard: The phrase is "get back on the horse", not... whores.
      Raj: That's disgusting, dude!

    • Amy: Before we proceed, I wish to stipulate that all physical contact, up to and including coitus, is off the table.
      Sheldon: May I buy you a beverage?

    • Amy: I don't object to the concept of a deity, but I am baffled by the notion of one that takes attendance.

  • Notes

    • This episode's end titles has Chuck Lorre's Vanity Card #288.

    • The Italian episode title is "L'eccitazione lunare". The French title is "Un laser sur la Lune", meaning "A Laser on the Moon". The German title is "Nie mehr dumme Typen", meaning "No More Dummies".

    • International Airdates:
      Latin America: June 1, 2010 on Warner Channel
      Australia: June 28, 2010 on Channel 9
      United Kingdom: July 29, 2010 on E4
      Czech Republic: January 10, 2011 on Prima COOL
      Finland: January 10, 2011 on Sub
      Turkey: March 7, 2011 on CNBC-e
      Slovakia: November 18, 2011 on Markiza

    • This episode marks the first appearance of Amy Farrah Fowler, played by Mayim Bialik.

  • Allusions

    • When the guys begin the experiment, before firing the laser Sheldon says "Make it so," borrowing Jean-Luc Picard's typical verbage on Star Trek: The Next Generation when he accepts a crew member's idea for a course of action.