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The Big Bang TheoryMensa-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?
S5, EP4 "The Wiggly Finger Catalyst"Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
S6, EP3 "The Higgs Boson Observation"Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.
S10, EP18 "The Escape Hatch Identification"Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.
S10, EP13 "The Romance Recalibration"Penny thinks Leonard is taking her for granted and decides to go on a spa weekend with Amy; Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room.
S5, EP1 "The Skank Reflex Analysis"Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.
S5, EP2 "The Infestation Hypothesis"Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.
Rerun Air Date: July 13, 2024Mensa-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?
Rerun Air Date: July 13, 2024Mensa-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?
Rerun Air Date: July 14, 2024Mensa-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?
Rerun Air Date: July 14, 2024Mensa-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?
Rerun Air Date: July 15, 2024Mensa-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?
Rerun Air Date: July 15, 2024Mensa-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?
S6, EP4 "The Re-Entry Minimization"Wolowitz's return from space isn't all he expected; game night becomes a gender war.
S10, EP19 "The Collaboration Fluctuation"Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.
S10, EP20 "The Recollection Dissipation"Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day; Bernadette nears the end of her maternity leave and must return to work.
S6, EP6 "The Extract Obliteration"A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.
S6, EP7 "The Habitation Configuration"Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.
S10, EP21 "The Separation Agitation"Howard and Bernadette struggle to leave Halley in day care; Bert introduces the gang to his new girlfriend, Rebecca.
S6, EP8 "The 43 Peculiarity"Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.
S10, EP22 "The Cognition Regeneration"Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.
S9, EP24 "The Convergence Convergence"Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.
S5, EP10 "The Flaming Spittoon Acquisition"Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.
S6, EP9 "The Parking Spot Escalation"Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.
S10, EP23 "The Gyroscopic Collapse"After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; Amy receives an offer for a summer position as a visiting researcher.
S5, EP3 "The Pulled Groin Extrapolation"Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
Rerun Air Date: July 21, 2024Mensa-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?
Rerun Air Date: July 22, 2024Mensa-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?
Rerun Air Date: July 22, 2024Mensa-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?
S6, EP10 "The Fish Guts Displacement"When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.
S10, EP24 "The Long Distance Dissonance"The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.
S11, EP1 "The Proposal Proposal"Amy answers Sheldon's marriage proposal; Howard and Bernadette struggle with unexpected news.
S6, EP11 "The Santa Simulation"During a game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Koothrappali.
S6, EP12 "The Egg Salad Equivalency"When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.
S11, EP2 "The Retraction Reaction"Leonard's job is at stake after he gives an embarrassing radio interview; Amy and Bernadette bond over having to hide their success from Sheldon and Howard.
S6, EP13 "The Bakersfield Expedition"As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.
S11, EP3 "The Relaxation Integration"As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side; Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker.
S10, EP17 "The Comic-Con Conundrum"Cut off from his father's fortune, Koothrappali appoints Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.
S10, EP16 "The Allowance Evaporation"Sheldon and Amy have their first fight since moving in together; Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.
S10, EP15 "The Locomotion Reverberation"Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system; Raj and Stuart look after baby Halley while Penny and Amy take Bernadette for a night out.
S10, EP14 "The Emotion Detection Automation"Sheldon tests an MIT invention after hearing it can help him read people's emotions; Leonard finds out Penny's brother is coming to town; Raj asks his ex-girlfriends to give him dating advice.
S10, EP11 "The Birthday Synchronicity"While Howard and Bernadette welcome their new baby into the world, Amy celebrates her own birthday with Sheldon.
S10, EP10 "The Property Division Collision"Sheldon and Leonard disagree about how to divide their shared belongings; Koothrappali and Stuart fight to be the most helpful to Bernadette during her final weeks of pregnancy.
S10, EP9 "The Geology Elevation"Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old remote control Stephen Hawking action figure that he made.
S10, EP8 "The Brain Bowl Incubation"Sheldon is determined to convince Amy they should procreate; Koothrappali is reluctant to tell the gang what the new woman he's dating does for a living.
S9, EP19 "The Solder Excursion Diversion"Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.
S6, EP2 "The Decoupling Fluctuation"Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.
S6, EP1 "The Date Night Variable"Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.
S5, EP24 "The Countdown Reflection"The gang tries to help Wolowitz and Bernadette get married before the space launch.
S5, EP23 "The Launch Acceleration"Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.
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?
Original Air Date: Sep 24, 2007
Genres: ComedyTV Series
Rating: TVPG
Playback: HD
4 seasons available on demand (13 episodes)
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