The boys all end up competing for Sheldon's sister, Missy's affection. Raj and Wolowitz even get into a physical fight.
Added:
A picture of Sheldon and his twin sister Missy (Courtney Henggeler) who definitely seems to have gotten the looks of the family.
Added:
Wolowitz tries to ask out Sheldon's sister Missy (Courtney Henggeler) when it becomes his turn and he gets shot down horribly. Poor Wolowitz.
Added:
Leonard and Wolowitz try desperately to hit on Sheldon's attractive twin sister Missy (Courtney Henggeler) without much success.
Added:
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.
Added:
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.
Added:
Sheldon has a nightmare in which the Morlocks attack him when he uses his time machine from the 1960 movie.
Added:
The boys gather around Leonard as he gets the winning bid on the time machine from the 1960 movie <i>The Time Machine</i>.
Added:
When Leonard kicks Sheldon out of his trivia group, be brings in Leslie Winkle to replace him for their team, PMS.
Added:
Even Wolowitz becomes jealous of the 15 year old prodigy Dennis Kim in the episode of The Big Bang Theory, "The Jerusalem Duality."
Added:
Leonard and Sheldon stand behind the 15-year-old science prodigy Dennis Kim (Austin Lee), who is about to prove to the guys he's smarter than them.
Added:
Leonard and Sheldon meet Dennis Kim, a 15 year old childhood prodigy that makes them question their intelligence, especially Sheldon.
Added:

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.

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