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Raj and Sheldon try to simulate a dark-matter research expedition; after a fight about money, Penny and Leonard turn to Bernadette and Wolowitz for advice.

Raj and Sheldon try to simulate a dark-matter research expedition; after a fight about money, Penny and Leonard turn to Bernadette and Wolowitz for advice.

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The Big Bang Theory

S3, EP19 "The Wheaton Recurrence"

Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off once again.

The Big Bang Theory

S3, EP20 "The Spaghetti Catalyst"

Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.

The Big Bang Theory

S3, EP21 "The Plimpton Stimulation"

Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.

The Big Bang Theory

S3, EP22 "The Staircase Implementation"

Leonard tells Penny about how he met Sheldon and what happened to the elevator.

The Big Bang Theory

S8, EP8 "The Prom Equivalency"

Sheldon feels pressured to participate in romantic traditions when the gang re-creates a high-school prom on the roof.

The Big Bang Theory

S8, EP7 "The Misinterpretation Agitation"

The guys try to help when Penny is faced with an awkward dilemma at work; Bernadette and Amy discuss sexuality and female scientists.

The Big Bang Theory

S8, EP6 "The Expedition Approximation"

Raj and Sheldon try to simulate a dark-matter research expedition; after a fight about money, Penny and Leonard turn to Bernadette and Wolowitz for advice.

The Big Bang Theory

S8, EP5 "The Focus Attenuation"

During their weekend in Las Vegas, Bernadette and Amy accuse Penny of being a buzz kill; the guys try to invent the next big thing.

Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?
Starring: Aarti Mann, Brian George, Jim Parsons, John Ross Bowie, Johnny Galecki, Kaley Cuoco, Kaley Cuoco-Sweeting, Kate Micucci, Kevin Sussman, Kunal Nayyar, Laura Spencer, Mayim Bialik, Melissa Rauch, Simon Helberg, Wil Wheaton
Original Air Date: Sep 24, 2007
Genres: ComedyTV Series
Rating: TVPG
Playback: HD
2 seasons available on demand
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