Now that Penny is dating Leonard, she's stuck playing cards with the boys. She looks like she's fitting in pretty well.
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Poor Raj is stuck working for Sheldon, where is input is completely worthless. But hey, I guess it's better than being deported.
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Wolowitz lays down on the table in order to get a tattoo on his butt. It's a shame he can't make it much further than the cold alcohol swab.
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Raj and Wolowitz go goth in order to try and pick up some chicks at the local goth bar. Nice tattoo sleeves boys!
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When Penny spends the night at Leonard's she ends up ruining oatmeal day by cooking french toast. How dare she?
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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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Lewis Black guest stars as an entomologist on The Big Bang Theory and he helps settle a bet between Sheldon and Wolowitz.
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Penny and Leonard try and talk out their little awkward hookup they have in the season three premiere last week.
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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.

Howard: Attention people of Earth: Tonight, there will be two moons in the sky.