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406 - The Irish Pub Formulation
Aired October 28, 2010

The Irish Pub Formulation

Leonard keeps an affair secret from Sheldon, Howard and Raj.

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Guest Stars: Aarti Mankad as Priya

Writers: Chuck Lorre (Story), Lee Aronsohn (Story), Steven Molaro (Story), Bill Prady (Teleplay), Eric Kaplan (Teleplay), Maria Ferrari (Teleplay)

Director: Mark Cendrowski

Viewers: 13.04 million Households Rating: 7.8/13 Adults 18-49 Rating: 4.2/13

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Vanity Card Press Release


  • -Lucky Baldwins, the pub Sheldon referred to as Irish, is actually an English pub in Pasadena.
  • -Kaley Cuoco did not appear in this episode due to a broken leg from a horseback-riding accident.

Quotes (11)

Leonard: I'm sorry.
Raj's sister: Why do you say that?
Leonard: When I'm in bed with a girl, that's just my natural response.

Raj: Hands off my sister.
Sheldon: Why would I touch your sister? She's all covered in airplane germs.

Sheldon: And to think, I was about to waste the last of my good haemorrhoid cream on you.

News Stories

Title Date Posted
Episode 4.06 Ratings October 29 2010
CBS Announces Episode 4.06 October 14 2010

Comments (39)

Cierra United States, 03:38 Aug 19 2012.
I think lenord and sheldon are cute!!!!!!! Aynd penney is hailaous oh and priya and penney stay off of my man!
Sue United States, 16:31 Feb 22 2012.
The game Sheldon was playing was based on the "Colossal Cave Adventure", originally in FORTRAN by Will Crowther.
Nitish India, 13:40 Feb 21 2012.
So what do u guys think of indian girls after this episode,huh?
Masikyr Canada, 22:25 Dec 22 2011.
I think it's zork.
AXE ARAMBA Austria, 14:38 Sep 11 2011.
the game which sheldon is playing might be ADVENTURELAND. The game was designed by Scott Adams 1978
Anonymous23 United States, 21:29 Aug 1 2011.
@Jarrah I was wondering the same thing. That's the entire reason I'm on this site because I want to try the game if it's real.
Jarrah Australia, 22:36 Feb 15 2011.
What was the 1980's style word command game emulator Sheldon was playing during this episode. Can someone send me a link?
Precious New Zealand, 22:31 Jan 13 2011.
kaley cuoco isn't in that episode coz of a horse accident
Klingon United Kingdom, 16:02 Dec 10 2010.
Nice ep but missing Penny :-( 9/10
Sunsgrace China, 04:44 Dec 2 2010.
Priya's pretty!

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