Provider: Eastern (ET) Change
Amid the excitement of Stuart reopening his comic-book store, Howard gets some unsettling news; and after teaching Sheldon how to "let it go," Penny doesn't practice what she preaches when she learns something maddening about Amy. Meanwhile, Raj and Leonar (more…)
An experiment designed to make participants fall in love piques Penny and Sheldon's interest, so they decide to put it to the test. Meanwhile, Leonard, Amy, Raj and Emily have an encounter with a "zombie" and Howard and Bernadette run into trouble at the a (more…)
There's trouble in paradise when Amy discovers Sheldon signed up for a one-way mission to colonize Mars, and the two get into a dogfight at a pet store. Meanwhile, Leonard makes a very "adult" purchase for Penny; and Emily catches Raj snooping in her apart (more…)
A speaking engagement at UC Berkeley puts Leonard and Sheldon in a galaxy not too far, far away from their idol George Lucas' Skywalker Ranch, and they consider dropping by. Meanwhile, Howard and Bernadette argue over what to do with his Doctor Who TARDIS (more…)
Howard discovers he has a half-brother; Sheldon and Amy build a blanket fort in the apartment and intend to have a platonic sleepover; and Leonard gets a surprise when he learns Penny's been invited to audition for a Kevin Smith movie.
In the event of alien contact, NASA asks Raj to craft a message for the extraterrestrials, and the guys battle over how it should be handled. Meanwhile, Penny must decide between auditioning for a film role or keeping her job in pharmaceutical sales.
Leonard and Sheldon's mothers come to town to celebrate their sons getting an award, but the opinionated women engage in an altercation over religion, while Bernadette wants husband Howard and housemate Stuart to do a bit more work around their new home.
Howard reconsiders entering into a legal partnership with Leonard and Sheldon regarding the patent for the infinite persistence gyroscope. Also, the women offer Raj dating advice after Emily reaches out to him following their breakup.
Faced with a life without physics when he gets fired, Sheldon resorts to weaving ponchos, forcing a worried Leonard to call Sheldon's mother for help. Mary: Laurie Metcalf. Dr. Eric Gablehauser: Mark Harelik. Summer: Sierra Edwards.
Penny temporarily sleeps on Leonard and Sheldon's couch when Wolowitz romances her friend and the lovers take over Penny's apartment. The guys find a big void in their activities without Wolowitz, and even ask Penny to join their video-game team.
Sheldon and Leonard are asked to a physics conference to present their work together, but that leads to a feud because Sheldon's too arrogant to share the honor. Penny does her best to mediate, but only makes things worse.
Sheldon becomes jealous of a 15-year-old physics prodigy, so he and Leonard come up with a plan to sabotage the young man's research. Dr. Eric Gablehauser: Mark Harelik. Dennis Kim: Austin Lee. Professor Goldfarb: Joel Brooks. Emma: Emma Degerstedt.
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- Premiered: September 24, 2007
- Rating: TV-PG
- Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)
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