"The Cornhusker Vortex"

Leonard gets tutored in football by Sheldon; a kite flying mishap causes a fight between Wolowitz and Raj

"The Creepy Candy Coating Corollary"

Sheldon goes up again the Star Trek actor, Wil Wheaton; Wolowitz wants Penny to set him up with one of her friends

"The Pirate Solution"

Desperate to avoid going back to India, Raj considers a job working for Sheldon; Howard becomes a third wheel to Leonard and Penny

"The Gothowitz Deviation"

Howard takes Raj with him to the Goth dating scene; Sheldon uses chocolate as part of his behavioral experiment on Penny.

"The Jiminy Conjecture"

Leonard and Penny try and make things not awkward after their hookup; Sheldon and Wolowitz bet their best comic books on a bet to determine the species of a cricket

"The Electric Can Opener Fluctuation"

Sheldon runs to his mother when he learns the gang messed with her arctice expedition's data; the guys go chasing after him with Leonard sacrificing his chance with Penny.

"The Monopolar Expedition"

When Sheldon gets news he's going to the North Pole on a NSF expedition, he invites the guys as his group.

"The Classified Materials Turbulence"

Howard enlists the help of the boys in order to fix his space toilet. Stuart and Penny go on their second date.

"The Vegas Renormalization"

When Wolowitz gets dumped by Leslie, Raj and Leonard take him to Las Vegas to get over his breakup. Meanwhile, Sheldon gets locked out of the apartment and has to crash at Penny's.

"The Hofstadter Isotope"

A friend of the guys who works at the comic book store, Stuart (Kevin Sussman) hits it off with Penny, prompting Leonard and Wolowitz to head out to ladies' night at a local bar.

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.

The show must go on, and thankfully all the things my girlfriend used to do can be taken care of with my right hand.