Raj and Sheldon get into an argument when Raj is out on his blind date. Guess who she goes home with?
Added:
Penny uses Raj and the guys as her test subjects as she practices making drinks. Here's a pic of her getting Raj liquored up.
Added:
Penny practices bar tending on the boys in order to learn up for her new job that will help earn her some extra cash.
Added:
Raj gets extremely nervous and anxious after his parents set him up for a blind date with a girl from his childhood.
Added:

The Big Bang Theory Season 1 Episode 8 Quotes

Sheldon: You are the living embodiment of the beautiful Princess Panchali.
Lalita: Oh, no kidding? Who is that?
Sheldon: A beloved character from an Indian folktale.
Lalita: Oh. "Us" Indian or "Come to our casino" Indian?
Sheldon: "You" Indian

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?