406 - The Irish Pub Formulation
Aired October 28, 2010

The Irish Pub Formulation

Raj's sister Priya is in town and soon rekindles a past secret relationship with Leonard. Leonard keeps his new affair a secret from the rest of the gang, but Sheldon finds out about the relationship and helps Leonard by developing an elaborate lie.

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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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Notes

  • The title refers to Sheldon's formulation of a lie for Leonoard involving an Irish pub.
  • Lucky Baldwin's, 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.
  • This episode marks the first appearance of Aarti Mann as Priya.

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.

Raj: I can't believe you kissed my sister with moth mouth.
Leonard: Well, I can't believe you'd use Sheldon's toothbrush.
Sheldon: You used my toothbrush?
Raj: Not the brush part. Just the little rubber thing to pick food from my teeth and massage my gums.

Raj: You slept with my sister?
Leonard: Yeah?
Howard: How could you? We had a pact.
Raj: Excuse me, I think "How could you, she's my sister" takes precedence over a 5-year-old pinkie swear.

News Stories

Title Date Posted
Episode 4.06 Ratings October 29 2010

The ratings for the sixth episode of the season are out.  Full story

CBS Announces Episode 4.06 October 14 2010

CBS has revealed the details for the sixth episode of Season 4.  Full story

Recap

As the guys are eating lunch at the university cafeteria, Raj arrives with his sister Priya, who is on town on business. Raj tells the guys to keep their hands off Priya, causing Howard to reveal he and Leonard have a five-year-old pinky swear not to hit on Priya. When Priya asks Leonard to show her to the bathroom, she grabs him and kisses him, rekindling a relationship they had years before.

Back at the apartment, Sheldon is staying up playing a game on his computer. Leonard tries to get Sheldon to go to bed so he can sneak Priya in to the apartment, which he eventually manages to do. The next morning, Priya wakes Leonard up to tell him she needs to get back to Raj's apartment before he realizes she's gone. Leonard tries to convince Priya to take him with her to India, but she doesn't think it's a good idea. Sheldon knocks on Leonard's door, convinced he heard a woman laughing, but Leonard says he was practicing his woman's laugh. As Leonard tries to sneak Priya out of the apartment, Sheldon catches them.

On the way to work, Sheldon is concerned by Leonard's betrayal of Raj and having to keep this secret from him. Later, in Leonard's lab, Sheldon arrives having constructed a more detailed alibi for where Leonard was last night. At the cafeteria, the guys are eating lunch when Leonard's own alibi begins to fall apart when he says he didn't watch Caprica the night before. Leonard turns to Sheldon's alibi but soon abandons it, telling Raj the truth about him and Priya.

Raj freaks about Leonard sleeping with Priya, but his anger abates when Leonard reveals she stomped on his heart by dismissing his idea to start a relationship. The guys reveal their own betrayals, leaving them all angry with each other.

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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