The Big Bang Theory Season 9

"The Convergence Convergence"

On The Big Bang Theory Season 9 Episode 24, it's chaos when Leonard's recently divorced parents and Sheldon's devoutly religious mother come to visit.

  • 4.2 / 5.0
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"The Line Substitution Solution"

On The Big Bang Theory Season 9 Episode 23, Penny struggles to make a connection with Leonard's mother while Sheldon hires Stuart to spend the day with Amy.

  • 4.0 / 5.0
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"The Fermentation Bifurcation"

On The Big Bang Theory Season 9 Episode 22, the gang runs into Penny's ex-boyfriend at a wine tasting event while Sheldon stays behind with pregnant Bernadette.

  • 4.0 / 5.0
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"The Viewing Party Combustion"

On The Big Bang Theory Season 9 Episode 21, an argument between Leonard and Sheldon becomes a heated fight during a get-together with friends taking sides.

  • 4.2 / 5.0
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"The Big Bear Precipitation"

On The Big Bang Theory Season 9 Episode 20, Raj goes overboard with the pregnancy presents while Sheldon reveals a secret about Leonard on a trip to the cabin.

  • 4.0 / 5.0
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"The Solder Excursion Diversion"

On The Big Bang Theory Season 9 Episode 19, Koothrappali sells out Leonard and Wolowitz when they lie to their wives so they can attend a screening of a movie.

  • 4.0 / 5.0
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"The Application Deterioration"

On The Big Bang Theory Season 9 Episode 18, Howard has doubts about a legal partnership with Leonard and Sheldon concerning the infinite persistence gyroscope.

  • 3.8 / 5.0
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"The Celebration Experimentation"

On The Big Bang Theory Season 9 Episode 17, Sheldon gets a surprise guest when the gang celebrate his birthday. Adam West guest stars in this episode.

  • 4.0 / 5.0
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"The Positive Negative Reaction"

On The Big Bang Theory Season 9 Episode 16, Wolowitz freaks out when Bernadette announces she's pregnant and the gang celebratew with karaoke.

  • 4.7 / 5.0
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"The Valentino Submergence"

On The Big Bang Theory Season 9 Episode 15, Howard and Bernadette find a surprise in their hot tub, while Sheldon and Amy host a Valenine's Day show.

  • 4.0 / 5.0
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"The Meemaw Materialization"

On The Big Bang Theory Season 9 Episode 14, Sheldon happiness over having Meemaw visit is dampened when she begins to butt heads with Amy.

  • 4.5 / 5.0
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"The Empathy Optimization"

On The Big Bang Theory Season 9 Episode 13, the gang treat themselves to a Sheldon-less weekend after having to deal with an ill Sheldon for a week.

  • 4.0 / 5.0
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"The Sales Call Sublimation"

On The Big Bang Theory Season 9 Episode 12, Sheldon and Koothrappali collaborate while Wolowitz and Bernadette have shocking feelings when Stuart moves out.

  • 4.5 / 5.0
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"The Opening Night Excitation"

On The Big Bang Theory Season 9 Episode 11, after dating for years, Sheldon and Amy spend the night together while the boys end up with an extra Star Wars ticket.

  • 5.0 / 5.0
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"The Earworm Reverberation"

On The Big Bang Theory Season 9 Episode 10, Sheldon has a revelation when he realizes why a song was stuck in his head while Amy invites Dave to dinner.

  • 4.2 / 5.0
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"The Platonic Permutation"

On The Big Bang Theory Season 9 Episode 9, Sheldon and Amy spend Thanksgiving together now that they're just friends and the gang volunteers at a soup kitchen.

  • 4.4 / 5.0
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"The Mystery Date Observation"

On The Big Bang Theory Season 9 Episode 8, Howard and Raj post an online advertisement to find Sheldon a new girlfriend, and Amy goes on a date.

  • 4.3 / 5.0
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"The Spock Resonance"

On The Big Bang Theory Season 9 Episode 7, Sheldon struggles to hide his emotions about his break-up while being interviewed for a documentary about Spock.

  • 4.0 / 5.0
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"The Helium Insufficiency"

On The Big Bang Theory Season 9 Episode 6, Sheldon and Leonard venture into the black market when a helium shortage impacts one of their experiments.

  • 4.2 / 5.0
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"The Perspiration Implementation"

On The Big Bang Theory Season 9 Episode 5, the guys take a fencing lesson from Barry Kripke and Sheldon must respond when Kripke expresses interest in Amy.

  • 4.0 / 5.0
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"The 2003 Approximation"

On The Big Bang Theory Season 9 Episode 4, with his living arrangements about to change, Sheldon reverts to his 2003 self, before he met Leonard or Penny.

  • 4.5 / 5.0
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"The Bachelor Party Corrosion"

On The Big Bang Theory Season 9 Episode 3, the girls force Penny to tell her family that she eloped while the boys are put to the test by a flat tire.

  • 3.5 / 5.0
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"The Separation Oscillation"

On The Big Bang Theory Season 9 Episode 2, Sheldon films a special episode of "Fun With Flags" after his breakup with Amy, and Leonard tries to ease Penny's mind.

  • 3.5 / 5.0
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"The Matrimonial Momentum"

On The Big Bang Theory Season 9 Episode 1, Penny struggles with Leonard's confession, and Sheldon doesn't know how to act after Amy pushes pause on their relationship.

  • 4.0 / 5.0
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Show:
The Big Bang Theory
Season:
9
Air Dates:
to
Total Episodes:
24

The Big Bang Theory Season 9 Quotes

Amy, I excel at many things, but getting over you wasn't one of them.

Sheldon

Some important new information has come to light. Women are the worst. I thought it was paper cuts, but I was wrong. No piece of paper ever cut me this deep.

Sheldon