"The Military Miniaturization"

On The Big Bang Theory Season 10 Episode 2, the Air Force talks to the guys about their gyroscope invention, and Bernadette is upset when her secret is leaked.

  • 4.3 / 5.0
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"The Conjugal Conjecture"

After Sheldon's mother and Leonard's father share an evening together, everyone deals with an awkward morning the next day. Also, Penny's family arrives for the wedding ceremony.

  • 4.2 / 5.0
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"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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TBBT Quotes

Stephen Hawking: You made an arithmetic mistake on page two. It was quite a boner.
Sheldon: No, no ... that can't be right. I-I don't make arithmetic mistakes.
Stephen Hawking: Are you saying I do?
Sheldon: Oh, no, no, no, of course not. It's just, I was thinking.... Oh, gosh, golly, I made a boo-boo and I gave it to Stephen Hawking.
Stephen Hawking: Great, another fainter.

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.