21 TV Mistakes That Actually Ended Up Being Genius

4. A huge Parks and Recreation plotline also happened because of a brief unplanned moment. In the Season 1 finale, after Andy attempted to describe his band's music to the group, Aubrey Plaza ad-libbed, "I totally get what you mean." Series creator Michael Schur said, "It was just a tiny, little throwaway thing, but when we saw it, we were like, 'Oh, maybe there’s something there in the future.' And then halfway through season two, we had started to pair them up and see what happened." They ended up working perfectly together, leading to April and Andy being a major couple throughout the series.