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The guys try to figure out who hacked Sheldon's online-game account.

The guys try to figure out who hacked Sheldon's online-game account.

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The Big Bang Theory

S12, EP3 "The Procreation Calculation"

Life gets complicated when Stuart starts bringing his new girlfriend home; Penny and Leonard talk about starting a family; Koothrappali explores an arranged marriage.

The Big Bang Theory

S12, EP4 "The Tam Turbulence"

When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancée out to dinner to get to know her.

The Big Bang Theory

S12, EP5 "The Planetarium Collision"

When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.

The Big Bang Theory

S12, EP6 "The Imitation Perturbation"

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.

The Big Bang Theory

S12, EP24 "The Stockholm Syndrome"

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.

The Big Bang Theory

S12, EP23 "The Change Constant"

Sheldon and Amy await big news.

The Big Bang Theory

S12, EP1 "The Conjugal Configuration"

Sheldon and Amy's honeymoon runs aground in New York; Penny and Leonard discover they are uncomfortably similar to Amy's parents; Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war.

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 Thomas Smith, Jim Parsons, John Ross Bowie, Johnny Galecki, Joshua Malina, Kaley Cuoco, Kaley Cuoco-Sweeting, Kevin Sussman, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Rati Gupta, Sara Gilbert, Simon Helberg
Original Air Date: Sep 24, 2007
Genres: ComedyTV Series
Rating: TVPG
Playback: HD
6 seasons available on demand
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