Following a sitcom plot is so mindlessly easy that having her character simultaneously operate both within and without the context the rest of the cast inhabit is the kind of experimentalism that sitcoms could really use. The supporting characters ground the show in a sitcom reality which provides a contextual counterpoint to Sarah's erratic persona which, beyond general insensitivity, has no specific recurring traits for behavioural expectations to be based on, making her less a character than a canvas to be repainted in every episode if not scene. Sarah's ability to see everything from an outside perspective enables her to parody aspects of social behaviour that are subtle enough to usually go unnoticed. Every time she speaks it's like a self-contained 5 second skit. She overemotes a lot, demonstrating the countless things a smile or change in vocal pitch can signify, but never sticks with one idea long enough for you to get comfortable and form expectations that will be satisfied. This may be the most creative, original and experimental TV program ever.
