Leonard comes home to find out the guys spied on how his date with Penny went via a webcam they put in the hallway.
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Wolowitz teaches Sheldon Mandarin so he can correctly order his Chinese food to make sure he gets tangerine instead of orange chicken. Makes sense to us.
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Penny tries to organize a surprise party for Leonard with his friends Sheldon, Howard and Raj.
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Wolowitz uses his peanut allergy to try and distract Leonard long enough for Penny and the gang to set up her surprise party.
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The boys all end up competing for Sheldon's sister, Missy's affection. Raj and Wolowitz even get into a physical fight.
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Wolowitz tries to ask out Sheldon's sister Missy (Courtney Henggeler) when it becomes his turn and he gets shot down horribly. Poor Wolowitz.
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Leonard and Wolowitz try desperately to hit on Sheldon's attractive twin sister Missy (Courtney Henggeler) without much success.
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Penny humiliates Leonard about his toys and he decides he's going to get rid of all his nerdmabilia in this episode of The Big Bang Theory.
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The guys gather round Leonard as he sits in his time machine which arrive. The time machine is, of course, the prop from the 1960 movie that he bought off ebay.
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The boys gather around Leonard as he gets the winning bid on the time machine from the 1960 movie <i>The Time Machine</i>.
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Even Wolowitz becomes jealous of the 15 year old prodigy Dennis Kim in the episode of The Big Bang Theory, "The Jerusalem Duality."
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Penny falls asleep when she, Wolowitz and Raj go to listen to Leonard give a presentation.
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TBBT Quotes

I just gave you my virginity, woman. Cool your jets!

Sheldon

Penny: Leonard, sweetheart, you twisted your ankle playing Scrabble.
Leonard: I got a triple word score with a double letter Q. If that's not a time to bust out the Scrabble dance, what's the point of having one?