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The Big Bang Theory

The Big Bang Theory

Genre: Sitcom

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?
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All Upcoming Times for The Big Bang Theory

Episode Air Date Channel

The Wildebeest Implementation

S04, E22  (First Aired: May. 5, 2011)
Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.
  • Tue 1/16
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Toast Derivation

S04, E17  (First Aired: Feb. 24, 2011)
Sheldon is upset when he realizes Leonard is the center of their group of friends.
  • Tue 1/16
  • 6:00PM-6:30PM
  • 29
  • TBS

The Fuzzy Boots Corollary

S01, E03  (First Aired: Oct. 8, 2007)
Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.
  • Tue 1/16
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Prestidigitation Approximation

S04, E18  (First Aired: Mar. 10, 2011)
Leonard has to choose between Penny and his new girlfriend, Priya; Howard's magic trick drives Sheldon crazy.
  • Tue 1/16
  • 6:30PM-7:00PM
  • 29
  • TBS

The Zarnecki Incursion

S04, E19  (First Aired: Mar. 31, 2011)
The guys try to figure out who hacked Sheldon's online-game account.
  • Tue 1/16
  • 7:00PM-7:30PM
  • 29
  • TBS

The Herb Garden Germination

S04, E20  (First Aired: Apr. 7, 2011)
Amy and Sheldon spread gossip as part of an experiment; Howard decides to take a big step in his relationship with Bernadette.
  • Tue 1/16
  • 7:30PM-8:00PM
  • 29
  • TBS

The Agreement Dissection

S04, E21  (First Aired: Apr. 28, 2011)
Priya dissects the roommate agreement; the ladies take Sheldon dancing.
  • Tue 1/16
  • 8:00PM-8:30PM
  • 29
  • TBS

The Wildebeest Implementation

S04, E22  (First Aired: May. 5, 2011)
Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.
  • Tue 1/16
  • 8:30PM-9:00PM
  • 29
  • TBS

The Engagement Reaction

S04, E23  (First Aired: May. 12, 2011)
Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.
  • Tue 1/16
  • 9:00PM-9:30PM
  • 29
  • TBS

The Roommate Transmogrification

S04, E24  (First Aired: May. 19, 2011)
Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.
  • Tue 1/16
  • 9:30PM-10:00PM
  • 29
  • TBS

The Engagement Reaction

S04, E23  (First Aired: May. 12, 2011)
Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.
  • Wed 1/17
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Skank Reflex Analysis

S05, E01  (First Aired: Sep. 22, 2011)
Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.
  • Wed 1/17
  • 6:00PM-6:30PM
  • 29
  • TBS

The Luminous Fish Effect

S01, E04  (First Aired: Oct. 15, 2007)
Getting 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.
  • Wed 1/17
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Infestation Hypothesis

S05, E02  (First Aired: Sep. 22, 2011)
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.
  • Wed 1/17
  • 6:30PM-7:00PM
  • 29
  • TBS

The Escape Hatch Identification

S10, E18  (First Aired: Mar. 9, 2017)
Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.
  • Wed 1/17
  • 7:00PM-7:30PM
  • 29
  • TBS

The Collaboration Fluctuation

S10, E19  (First Aired: Mar. 30, 2017)
Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.
  • Wed 1/17
  • 7:30PM-8:00PM
  • 29
  • TBS

The Recollection Dissipation

S10, E20  (First Aired: Apr. 6, 2017)
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.
  • Wed 1/17
  • 8:00PM-8:30PM
  • 29
  • TBS

The Gyroscopic Collapse

S10, E23  (First Aired: May. 4, 2017)
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.
  • Wed 1/17
  • 8:30PM-9:00PM
  • 29
  • TBS

The Long Distance Dissonance

S10, E24  (First Aired: May. 11, 2017)
The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.
  • Wed 1/17
  • 9:00PM-9:30PM
  • 29
  • TBS

The Roommate Transmogrification

S04, E24  (First Aired: May. 19, 2011)
Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.
  • Thu 1/18
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Hamburger Postulate

S01, E05  (First Aired: Oct. 22, 2007)
Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).
  • Thu 1/18
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Separation Triangulation

NEW
S11, E14 
Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.
  • Thu 1/18
  • 7:00PM-7:31PM
  • 12
  • KWCH

The Skank Reflex Analysis

S05, E01  (First Aired: Sep. 22, 2011)
Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.
  • Fri 1/19
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Dumpling Paradox

S01, E07  (First Aired: Nov. 5, 2007)
Penny 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.
  • Fri 1/19
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Work Song Nanocluster

S02, E18  (First Aired: Mar. 16, 2009)
Penny's home business turns into a complete nightmare when Sheldon takes over.
  • Sat 1/20
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Dead Hooker Juxtaposition

S02, E19  (First Aired: Mar. 30, 2009)
Penny develops a rivalry with a sexy new female neighbor who threatens her position as queen bee of the building.
  • Sat 1/20
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Pulled Groin Extrapolation

S05, E03  (First Aired: Sep. 29, 2011)
Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
  • Sat 1/20
  • 7:00PM-7:30PM
  • 29
  • TBS

The Wiggly Finger Catalyst

S05, E04  (First Aired: Oct. 6, 2011)
Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
  • Sat 1/20
  • 7:30PM-8:00PM
  • 29
  • TBS

The Russian Rocket Reaction

S05, E05  (First Aired: Oct. 13, 2011)
Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.
  • Sat 1/20
  • 8:00PM-8:30PM
  • 29
  • TBS

The Rhinitis Revelation

S05, E06  (First Aired: Oct. 20, 2011)
Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.
  • Sat 1/20
  • 8:30PM-9:00PM
  • 29
  • TBS

The Good Guy Fluctuation

S05, E07  (First Aired: Oct. 27, 2011)
An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.
  • Sat 1/20
  • 9:00PM-9:30PM
  • 29
  • TBS

The Isolation Permutation

S05, E08  (First Aired: Nov. 3, 2011)
Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
  • Sat 1/20
  • 9:30PM-10:00PM
  • 29
  • TBS

The Brain Bowl Incubation

S10, E08  (First Aired: Nov. 10, 2016)
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.
  • Sun 1/21
  • 4:00PM-4:30PM
  • 29
  • TBS

The Geology Elevation

S10, E09  (First Aired: Nov. 17, 2016)
Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old remote control Stephen Hawking action figure that he made.
  • Sun 1/21
  • 4:30PM-5:00PM
  • 29
  • TBS

The Property Division Collision

S10, E10  (First Aired: Dec. 1, 2016)
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.
  • Sun 1/21
  • 5:00PM-5:30PM
  • 29
  • TBS

The Locomotion Reverberation

S10, E15  (First Aired: Feb. 9, 2017)
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.
  • Sun 1/21
  • 5:30PM-6:00PM
  • 29
  • TBS

The Allowance Evaporation

S10, E16  (First Aired: Feb. 16, 2017)
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.
  • Sun 1/21
  • 6:00PM-6:30PM
  • 29
  • TBS

The Comic-Con Conundrum

S10, E17  (First Aired: Feb. 23, 2017)
Cut off from his father's fortune, Koothrappali appoints Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.
  • Sun 1/21
  • 6:30PM-7:00PM
  • 29
  • TBS

The Hofstadter Isotope

S02, E20  (First Aired: Apr. 13, 2009)
Wolowitz and Leonard decide to check out a local bar on Ladies' Night.
  • Mon 1/22
  • 1:05AM-1:35AM
  • 4
  • KSAS
  •  
  • 1:35AM-2:05AM
  • 4
  • KSAS

The Infestation Hypothesis

S05, E02  (First Aired: Sep. 22, 2011)
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.
  • Mon 1/22
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Grasshopper Experiment

S01, E08  (First Aired: Nov. 12, 2007)
On 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.
  • Mon 1/22
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Pulled Groin Extrapolation

S05, E03  (First Aired: Sep. 29, 2011)
Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
  • Tue 1/23
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Ornithophobia Diffusion

S05, E09  (First Aired: Nov. 10, 2011)
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
  • Tue 1/23
  • 6:00PM-6:30PM
  • 29
  • TBS

The Cooper-Hofstadter Polarization

S01, E09  (First Aired: Mar. 17, 2008)
Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.
  • Tue 1/23
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Flaming Spittoon Acquisition

S05, E10  (First Aired: Nov. 17, 2011)
Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.
  • Tue 1/23
  • 6:30PM-7:00PM
  • 29
  • TBS

The Speckerman Recurrence

S05, E11  (First Aired: Dec. 8, 2011)
Leonard must face the bully who targeted him in high school; Penny confronts her past actions.
  • Tue 1/23
  • 7:00PM-7:30PM
  • 29
  • TBS

The Shiny Trinket Maneuver

S05, E12  (First Aired: Jan. 12, 2012)
Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children.
  • Tue 1/23
  • 7:30PM-8:00PM
  • 29
  • TBS

The Recombination Hypothesis

S05, E13  (First Aired: Jan. 19, 2012)
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
  • Tue 1/23
  • 8:00PM-8:30PM
  • 29
  • TBS

The Beta Test Initiation

S05, E14  (First Aired: Jan. 26, 2012)
Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant.
  • Tue 1/23
  • 8:30PM-9:00PM
  • 29
  • TBS

The Friendship Contraction

S05, E15  (First Aired: Feb. 2, 2012)
Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.
  • Tue 1/23
  • 9:00PM-9:30PM
  • 29
  • TBS

The Wiggly Finger Catalyst

S05, E04  (First Aired: Oct. 6, 2011)
Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
  • Wed 1/24
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Vacation Solution

S05, E16  (First Aired: Feb. 9, 2012)
Sheldon goes to work with Amy in her lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.
  • Wed 1/24
  • 6:00PM-6:30PM
  • 29
  • TBS

The Loobenfeld Decay

S01, E10  (First Aired: Mar. 24, 2008)
Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.
  • Wed 1/24
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Rothman Disintegration

S05, E17  (First Aired: Feb. 16, 2012)
Sheldon and his nemesis, Kripke (John Ross Bowie), compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.
  • Wed 1/24
  • 6:30PM-7:00PM
  • 29
  • TBS

The Werewolf Transformation

S05, E18  (First Aired: Feb. 23, 2012)
Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.
  • Wed 1/24
  • 7:00PM-7:30PM
  • 29
  • TBS

The Weekend Vortex

S05, E19  (First Aired: Mar. 8, 2012)
Sheldon plans a video game marathon with the guys instead of attending a birthday party for Amy's aunt.
  • Wed 1/24
  • 7:30PM-8:00PM
  • 29
  • TBS

The Transporter Malfunction

S05, E20  (First Aired: Mar. 29, 2012)
When Penny buys Leonard and Sheldon ``Star Trek'' collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.
  • Wed 1/24
  • 8:00PM-8:30PM
  • 29
  • TBS

The Hawking Excitation

S05, E21  (First Aired: Apr. 5, 2012)
When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.
  • Wed 1/24
  • 8:30PM-9:00PM
  • 29
  • TBS

The Stag Convergence

S05, E22  (First Aired: Apr. 26, 2012)
Knowledge of Howard's sexual history makes Bernadette reconsider their future together.
  • Wed 1/24
  • 9:00PM-9:30PM
  • 29
  • TBS

The Russian Rocket Reaction

S05, E05  (First Aired: Oct. 13, 2011)
Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.
  • Thu 1/25
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Pancake Batter Anomaly

S01, E11  (First Aired: Mar. 31, 2008)
Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.
  • Thu 1/25
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Retraction Reaction

S11, E02  (First Aired: Oct. 2, 2017)
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.
  • Thu 1/25
  • 8:00PM-8:31PM
  • 12
  • KWCH

The Rhinitis Revelation

S05, E06  (First Aired: Oct. 20, 2011)
Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.
  • Fri 1/26
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Jerusalem Duality

S01, E12  (First Aired: Apr. 14, 2008)
Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
  • Fri 1/26
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Launch Acceleration

S05, E23  (First Aired: May. 3, 2012)
Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.
  • Sat 1/27
  • 6:30PM-7:00PM
  • 29
  • TBS

The Countdown Reflection

S05, E24  (First Aired: May. 10, 2012)
The gang tries to help Wolowitz and Bernadette get married before the space launch.
  • Sat 1/27
  • 7:00PM-7:30PM
  • 29
  • TBS

The Date Night Variable

S06, E01  (First Aired: Sep. 27, 2012)
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.
  • Sat 1/27
  • 7:30PM-8:00PM
  • 29
  • TBS

The Decoupling Fluctuation

S06, E02  (First Aired: Oct. 4, 2012)
Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.
  • Sat 1/27
  • 8:00PM-8:30PM
  • 29
  • TBS

The Higgs Boson Observation

S06, E03  (First Aired: Oct. 11, 2012)
Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.
  • Sat 1/27
  • 8:30PM-9:00PM
  • 29
  • TBS

The Re-Entry Minimization

S06, E04  (First Aired: Oct. 18, 2012)
Wolowitz's return from space isn't all he expected; game night becomes a gender war.
  • Sat 1/27
  • 9:00PM-9:30PM
  • 29
  • TBS

The Holographic Excitation

S06, E05  (First Aired: Oct. 25, 2012)
The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.
  • Sat 1/27
  • 9:30PM-10:00PM
  • 29
  • TBS

The Extract Obliteration

S06, E06  (First Aired: Nov. 1, 2012)
A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.
  • Sun 1/28
  • 7:00PM-7:30PM
  • 29
  • TBS

The Habitation Configuration

S06, E07  (First Aired: Nov. 8, 2012)
Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.
  • Sun 1/28
  • 7:30PM-8:00PM
  • 29
  • TBS

The 43 Peculiarity

S06, E08  (First Aired: Nov. 15, 2012)
Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.
  • Sun 1/28
  • 8:00PM-8:30PM
  • 29
  • TBS

The Parking Spot Escalation

S06, E09  (First Aired: Nov. 29, 2012)
Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.
  • Sun 1/28
  • 8:30PM-9:00PM
  • 29
  • TBS

The Fish Guts Displacement

S06, E10  (First Aired: Dec. 6, 2012)
When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.
  • Sun 1/28
  • 9:00PM-9:30PM
  • 29
  • TBS

The Santa Simulation

S06, E11  (First Aired: Dec. 13, 2012)
During a game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Koothrappali.
  • Sun 1/28
  • 9:30PM-10:00PM
  • 29
  • TBS

The Electric Can Opener Fluctuation

S03, E01  (First Aired: Sep. 21, 2009)
After tampering with Sheldon's Arctic-expedition data, the guys follow him back to Texas, which threatens Leonard's chances for romance with Penny.
  • Sun 1/28
  • 10:05PM-10:35PM
  • 4
  • KSAS

The Jiminy Conjecture

S03, E02  (First Aired: Sep. 28, 2009)
Penny and Leonard try to recover from an awkward hookup; Howard and Sheldon make a high-stakes bet.
  • Sun 1/28
  • 10:35PM-11:05PM
  • 4
  • KSAS

The Classified Materials Turbulence

S02, E22  (First Aired: May. 4, 2009)
Penny makes a surprising revelation about Leonard while on her date with Stuart; Wolowitz finds a critical design flaw in his NASA project.
  • Mon 1/29
  • 1:05AM-1:35AM
  • 4
  • KSAS

The Monopolar Expedition

S02, E23  (First Aired: May. 11, 2009)
While Leonard prepares for a three-month science expedition, he and Penny re-evaluate their feelings for each other.
  • Mon 1/29
  • 1:35AM-2:05AM
  • 4
  • KSAS

The Isolation Permutation

S05, E08  (First Aired: Nov. 3, 2011)
Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
  • Mon 1/29
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Bat Jar Conjecture

S01, E13  (First Aired: Apr. 21, 2008)
When 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.
  • Mon 1/29
  • 6:30PM-7:00PM
  • 4
  • KSAS