Season 1 Episode 13
The Big Bang Theory
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Season 117 Episodes
PilotS1 E1Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.
The Big Bran HypothesisS1 E2Leonard volunteers to sign for a package, hoping to make a good impression on Penny.
The Fuzzy Boots CorollaryS1 E3Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.
The Luminous Fish EffectS1 E4Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.
The Hamburger PostulateS1 E5Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).
The Middle Earth ParadigmS1 E6Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.
The Dumpling ParadoxS1 E7Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team.
The Grasshopper ExperimentS1 E8On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon.
The Cooper-Hofstadter PolarizationS1 E9Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.
The Loobenfeld DecayS1 E10Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.
The Pancake Batter AnomalyS1 E11Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.
The Jerusalem DualityS1 E12Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
The Bat Jar ConjectureS1 E13When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard.
The Nerdvana AnnihilationS1 E14Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.
The Pork Chop IndeterminacyS1 E15Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates.
The Peanut ReactionS1 E16Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party; Sheldon unexpectedly gets to live out one of his biggest fantasies in an electronics store.
The Tangerine FactorS1 E17When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice.
The Bat Jar ConjectureSeason 1 Episode 13
Cast
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Sara GilbertRating
TV-PG
Genres
SitcomMore Like This
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