"The Cognition Regeneration"

Leonard isn't thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.

  • 4.0 / 5.0
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"The Separation Agitation"

On The Big Bang Theory Season 10 Episode 21, Bert's colleagues think his girlfriend is a golddigger while Bernadette struggles with putting the baby in daycare.

  • 4.0 / 5.0
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"The Recollection Dissipation"

On The Big Bang Theory Season 10 Episode 20, Sheldon pushes himself to his limit when he works on projects with Leonard and Wolowitz and Amy on the same day.

  • 3.8 / 5.0
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"The Collaboration Fluctuation"

On The Big Bang Theory Season 10 Episode 19, Penny and Raj adjust to their new living arrangement, while Sheldon takes a new interest in Amy's work.

  • 4.5 / 5.0
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"The Escape Hatch Identification"

On The Big Bang Theory Season 10 Episode 18, much to Sheldon's dismay, Leonard and Penny offer Raj his old room when he gives up his apartment.

  • 4.0 / 5.0
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"The Comic-Con Conundrum"

On The Big Bang Theory Season 10 Episode 17, Penny considers crashing the guys' annual Comic-Con getaway while Raj asks Sheldon for financial help.

  • 4.5 / 5.0
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"The Allowance Evaporation"

On The Big Bang Theory Season 10 Episode 16, Sheldon and Amy have their first fight since they moved in together and Koothrappali deals with living on his own.

  • 4.3 / 5.0
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"The Locomotion Reverberation"

On The Big Bang Theory Season 10 Episode 15, baby Halley is left with Raj and Stuart while Penny and Amy take new-mommy Bernadette for a girls' night out.

  • 4.0 / 5.0
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"The Emotion Detection Automation"

On The Big Bang Theory Season 10 Episode 14, Penny announces that her brother is coming to town, and Sheldon tests and invention that reads people's emotions.

  • 4.0 / 5.0
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"The Romance Recalibration"

When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard.

  • 3.5 / 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.