Leonard, Raj, and Wolowitz go camping with style... an entire array of electronics.
Three of our favorite nerds, Leonard, Raj and Wolowitz go camping and can't help but bring a computer when they go camping.
Things don't look so good for Raj, Wolowitz and Leonard when they go camping on The Big Bang Theory.
Leonard and Penny act as parents as they go to pick up Sheldon from the comic book store.
Penny joins the nerds in a friendly game of cards. Here's a cute picture of her smiling as Leonard look at her.
We sure see a lot of Penny and Leonard in bed. Not that were complaining, this is where we want to see this couple!
When Leonard tells Sheldon he needs to use more honey than vinegar on Penny, he tries an experiment where he uses chocolate as positive reinforcement on Penny. Amazing.
Penny and Leonard try and talk out their little awkward hookup they have in the season three premiere last week.

TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

Raj: Well, to paraphrase Shakespeare: It's better to have loved and lost than to stay home every night and download increasingly shameful pornography.
Penny: Oh... you poor baby.
Raj: What's wrong with me, Penny?
Penny: Nothing, nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.
Raj: Hey, you totally got that right. E = MC squared.
Penny: I listen. I have no idea what it means, but I listen.