In addition to friendship and romance, the characters' careers are also a huge area of focus on The Big Bang Theory
. After all, a majority of Sheldon's quirks are related to his fascination and dedication to the sciences. With everyone working in the sciences (aside from Penny when she was a struggling actress), work isn't just the topic of conversation at dinner; it's their livelihood. The gang has fun at work because they're passionate about what they do.
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But what exactly do the characters on The Big Bang Theory
do? Each character works in a different field but that doesn't keep them from sharing their experiences, problems, and accomplishments with each other.