Raj would like nothing more than for Lucy to accompany him to a party and meet his friends.
After hearing how worried Lucy is about meeting the gang Amy agrees to meet her and discuss her own experience.
Penny is shocked that Raj actually opens up to her and shares his feelings over Lucy ending things.
Sheldon interrupts Leonard and Penny's long goodbye.
Raj, newly famous because of an article in a magazine, gets a big head and makes a disastrous play for Leonard's crush, Penny, on THE BIG BANG THEORY
The stars of The Big Bang Theory celebrate the premiere of the new season. Monday, Sept. 22, 8pm et/pt
Check out the super hot superhero T-shirts worn by the super hot dudes of The Big Bang Theory!
The guys on The Big Bang Theory have an interesting way of settling their disputes...
"If by 'Holy Smokes', you mean a derivative restatment of the kind of stuff you could find scribbled on the wall of any men's room at MIT, sure."
What do all these images have in common? You'll have to watch to find out.
Take a behind the scenes look as Sara Rue guest stars on The Big Bang Theory
Sheldon's need for cleanliness puts Leonard in an awkward situation... hilarity ensues.
Sheldon gives Mr. Clean a few notes...
Raj confronts Lucy about her constant leaving but the two end up finally kissing.
The girls gear up for a fabulous trip to Vegas while the boys prepare for some serious Dungeons and Dragons fun.
Amy finally asks Sheldon if he has any interest in being intimate with her. His answer surprises her.
Amy injures a TSA agent preventing the girls from flying to Vegas so the guys invite them to play with them.
America's Next Top Model meets Big Bang Theory, on CBS!
Professor Proton tries to understand why two grown Physicists want him to put on a children's show for them.
Sheldon and Leonard are ecstatic to learn that their childhood television idol is still around and can be hired for an appearance.