The Big Bang Theory

Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the chemistry among the friends and the developing romance between Leonard and Penny. The addition of M (more…)

Provider: Eastern (ET) Change
Sat Apr 21 8:00pm
The Graduation Transmission(Season 8, Episode 22) TBS

Leonard's high-school alma mater asks him to make a graduation speech, but plans may be scuttled when his flight is canceled. Meanwhile, Raj's allowance is canceled by his father.

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Sat Apr 21 8:30pm
The Maternal Combustion(Season 8, Episode 23) TBS

Leonard and Sheldon's mothers come to town to celebrate their sons getting an award, but the opinionated women engage in an altercation over religion, while Bernadette wants husband Howard and housemate Stuart to do a bit more work around their new home.

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Sat Apr 21 9:00pm
The Commitment Determination(Season 8, Episode 24) TBS

In the Season 8 finale, Leonard and Penny are pressured to set a wedding date by Sheldon, whose relationship with Amy has taken an interesting turn.

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Sat Apr 21 9:30pm
The Matrimonial Momentum(Season 9, Episode 1) TBS

Season 9 premiere, Penny has a problem dealing with Leonard's confession about having kissed another woman, while Sheldon is confused about Amy calling a timeout on their relationship.

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Sat Apr 21 10:00pm
The Separation Oscillation(Season 9, Episode 2) TBS

To ease Penny's mind, Leonard pays a visit to the woman he kissed during his expedition to the North Sea, while Sheldon's breakup with Amy leads him to retaliate by shooting a special episode of "Fun With Flags." Later, Bernadette is wracked with guilt ove (more…)

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Sat Apr 21 10:30pm
The Bachelor Party Corrosion(Season 9, Episode 3) TBS

The guys surprise Leonard with a belated bachelor-party weekend in Mexico, but their plans hit a bump in the road when they get a flat tire on the way. Meanwhile, the girls lean on Penny to tell her unsuspecting family that she and Leonard eloped.

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Sun Apr 22 7:00pm
The 2003 Approximation(Season 9, Episode 4) TBS

Sheldon reverts back to 2003 when he learns that Leonard and Penny are moving in together. Meanwhile, Howard and Raj form a band to play at the comic-book store.

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Sun Apr 22 7:30pm
The Perspiration Implementation(Season 9, Episode 5) TBS

When Barry Kripke gives the guys fencing lessons, he makes a point of letting Sheldon know he's interested in dating Amy. Also, Stuart has trouble getting female customers at the Comic Book Store, so Penny, Amy and Bernadette stop by to help out.

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Sun Apr 22 8:00pm
The Helium Insufficiency(Season 9, Episode 6) TBS

A helium shortage leads Sheldon and Leonard to do business with a dealer in the black market in order to acquire some of the element for an experiment they need to complete. Meanwhile, Penny and Bernadette download a dating app on Amy's phone in hopes that (more…)

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Sun Apr 22 8:30pm
The Spock Resonance(Season 9, Episode 7) TBS

Sheldon's interview for a "Star Trek" documentary focusing on Spock turns up a shocking revelation about his breakup with Amy. Meanwhile, the Wolowitzes haggle over the remodeling of his family home.

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Sun Apr 22 9:00pm
The Mystery Date Observation(Season 9, Episode 8) TBS

When Leonard, Penny and Bernadette learn that Amy is going out on a dinner date, the trio set out to spy on her and the guy. Meanwhile, Sheldon recruits Raj and Howard to find a woman for him, since they were responsible for getting Amy and him together.

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Sun Apr 22 9:30pm
The Platonic Permutation(Season 9, Episode 9) TBS

Now just friends, Sheldon and Amy spend Thanksgiving at the aquarium; a reluctant Wolowitz volunteers at a soup kitchen with Bernadette, Raj and Emily; and Penny realizes that Leonard knows a bit more about her than he's let on.

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Mon Apr 23 8:00pm
The Relaxation Integration(Season 11, Episode 3) CBS

Amy records Sheldon talking in his sleep and tries to convince him that he has a more laid-back side. Meanwhile, Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker.

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Mon Apr 23 9:30pm
The Explosion Implosion(Season 11, Episode 4) CBS

Wolowitz and Sheldon bond over their relationships with their disappointing fathers when they drive to the desert to shoot off a model rocket. Meanwhile, Leonard's mom finds a new best friend in Penny, much to Leonard's dismay.

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Tue Apr 24 7:00pm
The Earworm Reverberation(Season 9, Episode 10) TBS

God only knows what song is constantly playing in Sheldon's head, but it reminds him of Amy and leads to a surprising revelation. Meanwhile, she is back in the dating game; and Raj and Howard go on a quest to find the only fan of their band, Footprints on (more…)

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Tue Apr 24 7:30pm
The Opening Night Excitation(Season 9, Episode 11) TBS

Prof. Proton visits Sheldon in a dream and gives him Obi-Wan Kenobi-like advice about whether to go see the new "Star Wars" film or spend the time with newly reunited girlfriend Amy on her birthday. Meanwhile, Leonard, Howard and Raj try to decide who will (more…)

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Tue Apr 24 8:00pm
The Sales Call Sublimation(Season 9, Episode 12) TBS

Penny entices Leonard to meet with a psychiatrist and the results are surprising; Stuart moves out of the Wolowitz house and Howard and Bernadette find themselves at a loss. Also, in a once-in-a-blue-moon occasion, Sheldon teams with Raj on an astronomical (more…)

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Tue Apr 24 8:30pm
The Empathy Optimization(Season 9, Episode 13) TBS

Dealing with an under-the-weather Sheldon is so draining for Penny, Leonard and the gang that they decide to treat themselves to a Sheldon-less weekend.

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Tue Apr 24 9:00pm
The Meemaw Materialization(Season 9, Episode 14) TBS

Sheldon's grandmother, aka Meemaw, visits and there's friction between her and Amy, which intensifies after the elderly woman blurts out a secret about Sheldon. Meanwhile, Raj is conflicted when an attractive writer for a children's sci-fi show asks to col (more…)

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Tue Apr 24 9:30pm
The Valentino Submergence(Season 9, Episode 15) TBS

Sheldon and Amy celebrate Valentine's Day with an episode of "Fun With Flags"; Leonard and Penny feel the pangs of aging; Howard and Bernadette are surprised by what they find in their hot tub; and Raj can't decide between Emily and the comely woman he met (more…)

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Tue Apr 24 10:00pm
The Positive Negative Reaction(Season 9, Episode 16) TBS

The gang learns Bernadette is pregnant and celebrate by singing karaoke. Meanwhile, Wolowitz freaks out over the pregnancy announcement and becomes convinced he must make more money to provide for the baby.

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Wed Apr 25 7:00pm
The Celebration Experimentation(Season 9, Episode 17) TBS

Sheldon and the gang celebrate his birthday and he's surprised by a special guest. Adam West appears.

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Wed Apr 25 7:30pm
The Application Deterioration(Season 9, Episode 18) TBS

Howard reconsiders entering into a legal partnership with Leonard and Sheldon regarding the patent for the infinite persistence gyroscope. Also, the women offer Raj dating advice after Emily reaches out to him following their breakup.

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Wed Apr 25 8:00pm
The Solder Excursion Diversion(Season 9, Episode 19) TBS

Sheldon shocks Amy with a startling revelation after she buys him a new laptop. Meanwhile, Raj throws Leonard and Howard under the bus after they lie to their wives and sneak off to an early screening of a movie.

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Cast & Details See all »

  • Premiered: September 24, 2007
  • Rating: TV-PG
  • Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)

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