The Big Bang Theory
8.22008X-Ray16+
Leonard and Sheldon are brilliant physicists, but none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty, Penny, moves in next door. Sheldon is content spending his nights playing Klingon Boggle with their socially dysfunctional friends. However, Leonard sees in Penny a whole new universe of possibilities ... including love.
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Episodes (17)
- 1. PilotThis video is currently unavailableSeptember 23, 200723min16+
A pair of socially awkward theoretical physicists meet their new neighbor Penny, who is their polar opposite. - 2. The Big Bran HypothesisThis video is currently unavailableSeptember 30, 200721min13+
After Leonard tries to do a favor for Penny, Sheldon ruins the plan. Leonard volunteers to sign for a package, hoping to make a good impression on Penny. However, when he involves his obsessive-compulsive roommate, Leonard sees his attempt at chivalry go horribly awry. - 3. The Fuzzyboots CorollaryThis video is currently unavailableOctober 7, 200722min13+
Leonard is depressed to learn that Penny is dating someone. As a result, encouraged by his friends and fellow scientists, Leonard actually summons the nerve to ask a woman out on a date. Recurring guest star SARA GILBERT ("Roseanne") appears as Leslie. - 4. The Luminous Fish EffectThis video is currently unavailableOctober 14, 200721min16+
After being fired from his job, Sheldon attempts to explore the "dreadful" life beyond physics. But his initial thrill of shopping with Penny devolves over time to him weaving ponchos as a shut-in, forcing Leonard to call on Sheldon's mother, Mary (LAURIE METCALF - "Roseanne"). - 5. The Hamburger PostulateThis video is currently unavailableOctober 21, 200720min16+
After sensing that his pursuit of Penny isn't going anywhere, Leonard agrees to an unexpected sexual encounter with fellow scientist Leslie Winkle (recurring guest star SARA GILBERT). The one-night stand throws Leonard and Sheldon deep into uncharted social waters. - 6. The Middle Earth ParadigmThis video is currently unavailableOctober 28, 200721min13+
The socially stunted guys are nervous when Penny invites them to a party she's hosting. But they are ecstatic to find out that it's a Halloween party and enthusiastically don their respective nerdy costumes, which unfortunately fail to impress Penny's brutish ex-boyfriend. Afterwards, Koothrappali experiences the unexpected with a partygoer, Cheryl (ERIN ALLIN). - 7. The Dumpling ParadoxThis video is currently unavailableNovember 4, 200721min13+
When Wolowitz seduces Penny's friend and ends up having sex with her in Penny's apartment, Penny sleeps on Leonard and Sheldon's couch. Meanwhile, with Wolowitz occupied, the guys discover that they are without a fourth member of their group. In desperation, they ask Penny to join one of their two-person Halo teams. - 8. The Grasshopper ExperimentThis video is currently unavailableNovember 11, 200720min16+
Koothrappali becomes overwhelmed when his parents arrange a blind date for him, but he discovers he actually can talk to a member of the opposite sex after a few drinks. However, complications arise when his beautiful date shows more interest in Sheldon. - 9. The Cooper-Hofstadter PolarizationThis video is currently unavailableMarch 16, 200819min7+
Sheldon and Leonard are invited to present their joint findings at a physics conference, but Sheldon refuses. Penny steps in to mediate, but this only deepens the rift between the two best friends. - 10. The Loobenfeld DecayThis video is currently unavailableMarch 23, 200821min16+
After hearing Penny sing, Leonard lies to avoid seeing her perform; Sheldon goes a step further. D.J. QUALL guest stars. - 11. The Pancake Batter AnomalyThis video is currently unavailableMarch 30, 200822min16+
When Sheldon gets sick, the boys know what is in store for them and avoid him like the plague; this leaves an unsuspecting Penny to nurse the world's worst patient back to health. - 12. The Jerusalem DualityThis video is currently unavailableApril 13, 200820min16+
When Leonard and Sheldon meet a teenage physics prodigy, Sheldon is distraught that the boy genius is younger and smarter, and crafts a plan to derail the young prodigy's research. - 13. The Bat Jar ConjectureThis video is currently unavailableApril 20, 200822min16+
The guys kick Sheldon off the team for the Physics Bowl and enlist his nemesis Leslie Winkle (recurring guest star SARA GILBERT) to take his place. - 14. The Nerdvana AnnihilationThis video is currently unavailableApril 27, 200820min16+
When the guys buy a time-machine prop from a classic movie, Penny's reaction forces Leonard to take a hard look at his life. - 15. The Pork Chop IndeterminacyThis video is currently unavailableMay 4, 200822min13+
Leonard, Wolowitz, and Koothrappali all become smitten with Sheldon's twin sister, Missy (guest star COURTNEY HENGGELER), but Sheldon declares he will decide whom his sister dates. - 16. The Peanut ReactionThis video is currently unavailableMay 11, 200820min16+
When Penny attempts to throw Leonard a wild surprise party, Sheldon gets in the way. - 17. The Tangerine FactorThis video is currently unavailableMay 18, 200820min13+
When Penny breaks up with her boyfriend, Leonard finally gets up the courage to ask her out on a date. When she says yes, each seeks the "wisdom" of Sheldon, a reluctant advisor.
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