The Big Bang Theory

Chosen answer: Penny's reply was "wait, you're inviting people to our wedding?" Most people don't like when other people invite guests to their wedding. Penny and Leonard were getting remarried so their families could attend this time (and a few friends). Mary, Sheldon's mother, is not family to Penny or Leonard, and while they like her, they wouldn't consider her a close friend. I think Penny liked the idea that Mary was hooking up knowing how it would bother Sheldon, who didn't realise what was happening. And it was funny to her knowing the conflict it could cause since it didn't affect her at all.

Bishop73

Chosen answer: Amy said she needed to take some time away from the relationship because she feared that their relationship wasn't going anywhere. They had already been dating for five years and they haven't actually gotten intimate after all this time, and when Sheldon asks if he should start watching The Flash, she was worried that he wasn't giving her as much attention towards her as she would have thought given the years that they had been dating.

Casual Person

Chosen answer: Probably because part of being in a relationship with someone means sharing their interests, even if you yourself are indifferent, to grow closer together. Penny feels otherwise.

Answer: He was probably sick of it by that point. He has complained many times about roommate agreement regulations.

The Countdown Reflection - S5-E24

Factual error: There is not a snowball's chance of Howard becoming an astronaut. He suffers from cardiac arrhythmia, something about which he is completely open. "Transient" or not this is easily detectable by a simple electrocardiogram, which is a fundamental part of the many medical examinations a potential astronaut will have to pass. He wouldn't even be allowed to start basic training. Note also that during his basic training he shows signs of severe stress and trauma which would inevitably trigger a cardiac episode. Even if it didn't the fact that he was falling apart at the seams would have him removed from the programme for his own good.

More mistakes in The Big Bang Theory

The Extract Obliteration - S6-E6

Stephen Hawking: Do you like brain teasers?
Sheldon Cooper: Oh, I love brain teasers.
Stephen Hawking: What do Sheldon Cooper and a black hole have in common? They both suck. Neener, neener.

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