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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 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.
  • Fri 3/24
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Nerdvana Annihilation

S01, E14  (First Aired: Apr. 28, 2008)
Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.
  • Fri 3/24
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Killer Robot Instability

S02, E12  (First Aired: Jan. 12, 2009)
When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.
  • Sat 3/25
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Friendship Algorithm

S02, E13  (First Aired: Jan. 19, 2009)
Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
  • Sun 3/26
  • 2:30AM-3:00AM
  • 4
  • KSAS

The Intimacy Acceleration

S08, E16  (First Aired: Feb. 26, 2015)
Penny and Sheldon design an experiment -- as a joke -- to make participants fall in love; Howard and Bernadette get into trouble at the airport.
  • Sun 3/26
  • 7:30PM-8:00PM
  • 29
  • TBS

The Colonization Application

S08, E17  (First Aired: Mar. 5, 2015)
Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.
  • Sun 3/26
  • 8:00PM-8:30PM
  • 29
  • TBS

The Leftover Thermalization

S08, E18  (First Aired: Mar. 12, 2015)
A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.
  • Sun 3/26
  • 8:30PM-9:00PM
  • 29
  • TBS

The Skywalker Incursion

S08, E19  (First Aired: Apr. 2, 2015)
When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.
  • Sun 3/26
  • 9:00PM-9:30PM
  • 29
  • TBS

The Fortification Implementation

S08, E20  (First Aired: Apr. 9, 2015)
Sheldon and Amy build a blanket fort -- and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.
  • Sun 3/26
  • 9:30PM-10:00PM
  • 29
  • TBS

The Killer Robot Instability

S02, E12  (First Aired: Jan. 12, 2009)
When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.
  • Sun 3/26
  • 10:05PM-10:35PM
  • 4
  • KSAS

The Friendship Algorithm

S02, E13  (First Aired: Jan. 19, 2009)
Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
  • Sun 3/26
  • 10:35PM-11:05PM
  • 4
  • KSAS

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.
  • Mon 3/27
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Pork Chop Indeterminacy

S01, E15  (First Aired: May. 5, 2008)
Leonard 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.
  • Mon 3/27
  • 6:30PM-7:00PM
  • 4
  • KSAS

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.
  • Mon 3/27
  • 7:00PM-7:30PM
  • 12
  • KWCH

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.
  • Tue 3/28
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Peanut Reaction

S01, E16  (First Aired: May. 12, 2008)
Penny 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.
  • Tue 3/28
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Communication Deterioration

S08, E21  (First Aired: Apr. 16, 2015)
The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.
  • Tue 3/28
  • 7:00PM-7:30PM
  • 29
  • TBS

The Graduation Transmission

S08, E22  (First Aired: Apr. 23, 2015)
Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.
  • Tue 3/28
  • 7:30PM-8:00PM
  • 29
  • TBS

The Maternal Combustion

S08, E23  (First Aired: Apr. 30, 2015)
When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores -- with a little help from his friends.
  • Tue 3/28
  • 8:00PM-8:30PM
  • 29
  • TBS

The Commitment Determination

S08, E24  (First Aired: May. 7, 2015)
While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.
  • Tue 3/28
  • 8:30PM-9:00PM
  • 29
  • TBS

The Matrimonial Momentum

S09, E01  (First Aired: Sep. 21, 2015)
Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.
  • Tue 3/28
  • 9:30PM-10:00PM
  • 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.
  • Wed 3/29
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Tangerine Factor

S01, E17  (First Aired: May. 19, 2008)
When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice.
  • Wed 3/29
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Separation Oscillation

S09, E02  (First Aired: Sep. 28, 2015)
Leonard tries to ease Penny's mind; Sheldon plans a special episode of ``Fun With Flags''; Bernadette feels bad about keeping a secret.
  • Wed 3/29
  • 7:00PM-7:30PM
  • 29
  • TBS

The Bachelor Party Corrosion

S09, E03  (First Aired: Oct. 5, 2015)
A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.
  • Wed 3/29
  • 7:30PM-8:00PM
  • 29
  • TBS

The 2003 Approximation

S09, E04  (First Aired: Oct. 12, 2015)
An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.
  • Wed 3/29
  • 8:00PM-8:30PM
  • 29
  • TBS

The Perspiration Implementation

S09, E05  (First Aired: Oct. 19, 2015)
Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.
  • Wed 3/29
  • 8:30PM-9:00PM
  • 29
  • TBS

The Helium Insufficiency

S09, E06  (First Aired: Oct. 26, 2015)
Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.
  • Wed 3/29
  • 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.
  • Thu 3/30
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Bad Fish Paradigm

S02, E01  (First Aired: Sep. 22, 2008)
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
  • Thu 3/30
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Collaboration Fluctuation

NEW
S10, E19 
Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.
  • Thu 3/30
  • 7:00PM-7:31PM
  • 12
  • KWCH

The Spock Resonance

S09, E07  (First Aired: Nov. 5, 2015)
Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.
  • Thu 3/30
  • 8:00PM-8:30PM
  • 29
  • TBS

The Mystery Date Observation

S09, E08  (First Aired: Nov. 12, 2015)
Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.
  • Thu 3/30
  • 8:30PM-9:00PM
  • 29
  • TBS

The Platonic Permutation

S09, E09  (First Aired: Nov. 19, 2015)
Amy and Sheldon spend Thanksgiving at the aquarium -- as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.
  • Thu 3/30
  • 9:00PM-9:30PM
  • 29
  • TBS

The Earworm Reverberation

S09, E10  (First Aired: Dec. 10, 2015)
Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.
  • Thu 3/30
  • 9:30PM-10:00PM
  • 29
  • TBS

The Ornithophobia Diffusion

S05, E09  (First Aired: Nov. 10, 2011)
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
  • Fri 3/31
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Codpiece Topology

S02, E02  (First Aired: Sep. 29, 2008)
After seeing Penny with a handsome new guy, Leonard rushes into a rebound relationship with Sheldon's nemesis, Leslie Winkle.
  • Fri 3/31
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Cushion Saturation

S02, E16  (First Aired: Mar. 2, 2009)
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
  • Sat 4/1
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Terminator Decoupling

S02, E17  (First Aired: Mar. 9, 2009)
Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is aboard the train they are taking to San Francisco.
  • Sat 4/1
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Opening Night Excitation

S09, E11  (First Aired: Dec. 17, 2015)
After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.
  • Sat 4/1
  • 7:00PM-7:30PM
  • 29
  • TBS

The Sales Call Sublimination

S09, E12  (First Aired: Jan. 7, 2016)
Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.
  • Sat 4/1
  • 7:30PM-8:00PM
  • 29
  • TBS

The Empathy Optimization

S09, E13  (First Aired: Jan. 14, 2016)
After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.
  • Sat 4/1
  • 8:00PM-8:30PM
  • 29
  • TBS

The Meemaw Materialization

S09, E14  (First Aired: Feb. 4, 2016)
Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.
  • Sat 4/1
  • 8:30PM-9:00PM
  • 29
  • TBS

The Valentino Submergence

S09, E15  (First Aired: Feb. 11, 2016)
Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.
  • Sat 4/1
  • 9:00PM-9:30PM
  • 29
  • TBS

The Positive Negative Reaction

S09, E16  (First Aired: Feb. 18, 2016)
The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.
  • Sat 4/1
  • 9:30PM-10:00PM
  • 29
  • TBS

The Celebration Experimentation

S09, E17  (First Aired: Feb. 25, 2016)
For the first time in nine years, the gang celebrates Sheldon's birthday -- surprising him with a special guest.
  • Sun 4/2
  • 6:00PM-6:30PM
  • 29
  • TBS

The Application Deterioration

S09, E18  (First Aired: Mar. 10, 2016)
Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.
  • Sun 4/2
  • 6:30PM-7:00PM
  • 29
  • TBS

The Solder Excursion Diversion

S09, E19  (First Aired: Mar. 31, 2016)
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.
  • Sun 4/2
  • 7:00PM-7:30PM
  • 29
  • TBS

The Big Bear Precipitation

S09, E20  (First Aired: Apr. 7, 2016)
Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.
  • Sun 4/2
  • 7:30PM-8:00PM
  • 29
  • TBS

The Viewing Party Combustion

S09, E21  (First Aired: Apr. 21, 2016)
During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.
  • Sun 4/2
  • 8:00PM-8:30PM
  • 29
  • TBS

The Fermentation Bifurcation

S09, E22  (First Aired: Apr. 28, 2016)
The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.
  • Sun 4/2
  • 8:30PM-9:00PM
  • 29
  • TBS

The Line Substitution Solution

S09, E23  (First Aired: May. 5, 2016)
Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.
  • Sun 4/2
  • 9:00PM-9:30PM
  • 29
  • TBS

The Convergence Convergence

S09, E24  (First Aired: May. 12, 2016)
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.
  • Sun 4/2
  • 9:30PM-10:00PM
  • 29
  • TBS

The Financial Permeability

S02, E14  (First Aired: Feb. 2, 2009)
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
  • Sun 4/2
  • 10:05PM-10:35PM
  • 4
  • KSAS

The Maternal Capacitance

S02, E15  (First Aired: Feb. 9, 2009)
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).
  • Sun 4/2
  • 10:35PM-11:05PM
  • 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.
  • Mon 4/3
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Barbarian Sublimation

S02, E03  (First Aired: Oct. 6, 2008)
Sheldon creates a monster when he introduces Penny to online gaming.
  • Mon 4/3
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Cohabitation Experimentation

S10, E04  (First Aired: Oct. 10, 2016)
After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.
  • Mon 4/3
  • 7:00PM-7:30PM
  • 12
  • KWCH

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 4/4
  • 6:00PM-6:30PM
  • 4
  • KSAS

Pilot

S01, E01  (First Aired: Sep. 24, 2007)
Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.
  • Tue 4/4
  • 7:00PM-7:30PM
  • 29
  • TBS

The Big Bran Hypothesis

S01, E02  (First Aired: Oct. 1, 2007)
Leonard volunteers to sign for a package, hoping to make a good impression on Penny.
  • Tue 4/4
  • 7:30PM-8:00PM
  • 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 4/4
  • 8:00PM-8:30PM
  • 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.
  • Tue 4/4
  • 8:30PM-9:00PM
  • 29
  • TBS

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).
  • Tue 4/4
  • 9:30PM-10:00PM
  • 29
  • TBS

The Griffin Equivalency

S02, E04  (First Aired: Oct. 13, 2008)
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
  • Wed 4/5
  • 2:05AM-2:35AM
  • 4
  • KSAS

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.
  • Wed 4/5
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Euclid Alternative

S02, E05  (First Aired: Oct. 20, 2008)
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
  • Wed 4/5
  • 6:30PM-7:00PM
  • 4
  • KSAS

The Middle Earth Paradigm

S01, E06  (First Aired: Oct. 29, 2007)
Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.
  • Wed 4/5
  • 7:00PM-7:30PM
  • 29
  • TBS

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.
  • Wed 4/5
  • 7:30PM-8:00PM
  • 29
  • TBS

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.
  • Wed 4/5
  • 8:00PM-8:30PM
  • 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.
  • Wed 4/5
  • 8:30PM-9:00PM
  • 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 4/5
  • 9:00PM-9:30PM
  • 29
  • TBS

The Recombination Hypothesis

S05, E13  (First Aired: Jan. 19, 2012)
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
  • Thu 4/6
  • 6:00PM-6:30PM
  • 4
  • KSAS

The Cooper-Nowitzki Theorem

S02, E06  (First Aired: Nov. 3, 2008)
Sheldon and the gang are confused when a young grad student is attracted to him.
  • Thu 4/6
  • 6:30PM-7:00PM
  • 4
  • KSAS
  • Thu 4/6
  • 7:00PM-7:31PM
  • 12
  • KWCH

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 4/6
  • 8:00PM-8:30PM
  • 29
  • TBS

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.
  • Thu 4/6
  • 8:30PM-9:00PM
  • 29
  • TBS

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.
  • Thu 4/6
  • 9:00PM-9:30PM
  • 29
  • TBS

The Nerdvana Annihilation

S01, E14  (First Aired: Apr. 28, 2008)
Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.
  • Thu 4/6
  • 9:30PM-10:00PM
  • 29
  • TBS