Working in television, there are specifics that you need to know about the shows, based on your classification; the tone, the characters, the writing style, the look, etc. You can watch a show twice, get a feel for it, and then when you get a call for work, do a quick re-watch on Hulu or read up on the show's website.
If you don't want to waste time on shows that may be cancelled, just ask my sister which shows she LOVES... they always get cancelled. (That's a joke.. sort of).
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