Leonard, Raj and Wolowitz are definitely not the manliest of men. Here they are a little scared on their camping trip.
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Leonard, Raj, and Wolowitz go camping with style... an entire array of electronics.
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Three of our favorite nerds, Leonard, Raj and Wolowitz go camping and can't help but bring a computer when they go camping.
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Things don't look so good for Raj, Wolowitz and Leonard when they go camping on The Big Bang Theory.
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Leonard and Penny act as parents as they go to pick up Sheldon from the comic book store.
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Penny joins the nerds in a friendly game of cards. Here's a cute picture of her smiling as Leonard look at her.
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We sure see a lot of Penny and Leonard in bed. Not that were complaining, this is where we want to see this couple!
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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.
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TBBT Quotes

Sheldon: Are you still mad about the sperm bank?
Leonard: No!
Sheldon: Do you want to hear an interesting thing about stairs?
Leonard: Not really.
Sheldon: If the height of a single step is off by as little as two millimeters most people will trip.
Leonard: I don't care—two millimeters?! That doesn't seem right.
Sheldon: No, it's true! I did a series of experiments when I was twelve; my father broke his clavicle.

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