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406 - The Irish Pub Formulation
Aired October 28, 2010
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 Mann as Priya
Director: Mark Cendrowski
Viewers: 13.04 million Households Rating: 7.8/13 Adults 18-49 Rating: 4.2/13
- 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.
After Leonard has Priya stay over in the apartment without Sheldon's knowledge, Sheldon claims Leonard betrayed him as the roommate agreement requires notification for overnight guests.
After Leonard and Priya spend the night together, Sheldon uses his knock on Leonard's bedroom door when he hears a woman's voice in the room.
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?
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.
Episode Pictures (7)
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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.