Raj has every reason to be smiling in bed as he lays next to a woman he took to bed with him. Go Raj!
Added:
A picture of Leonard and Penny kissing in costume after Penny's ex-boyfriend is a jerk to Leonard at her Halloween Party.
Added:
After Leonard leaves the party embarrassed by what her jerk of an ex said, Penny comes over to comfort Leonard. She's dresses as a kitten.
Added:
Sheldon and Leonard open the door at Penny's Halloween Party dressed like quite the nerds as Penny's large friend enters the apartment.
Added:
Wolowitz dresses up as Robin Hood for Penny's Halloween Party and here's a pic of him talking to the guys.
Added:
Leonard, Sheldon and Raj sit on the couch at Penny's Halloween Party all dresses in costume.
Added:
Leonard join Leslie's string quartet at the cellist. However, we all know the real reason Leslie invited Leonard to join.
Added:
The boys go to eat dinner at the restaurant where Penny works as a waitress and she serves the guys.
Added:
When Sheldon discovers a necktie on Leonard's door he runs to Penny to find out what it means. Penny explains to the clueless nerd.
Added:
Sheldon brings home his stuff after he gets fired from his job at Caltech after insulting his boss.
Added:
Leonard goes out with just Penny on a dinner date that Penny originally thought was going to be a group dinner.
Added:
Looks like Sheldon, Raj and Wolowitz were clearly too busy for their group dinner date with Penny. They have important things to do... like play Jenga!
Added:

TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon