When Amy tells Jason "Nothing is real - everything is permitted.", she quotes Friedrich Nietzsche ('Thus Spoke Zarathustra'). A different translation of the same quote ("Nothing is true, everything is permitted.") is used as the eponymous creed in the video game franchise 'Assassin's Creed'.
When Terry and Andy are fishing, Andy's cell phone rings. His ringtone is the theme song to the original Hawaii Five-O television series from 1968. The song is called Hawaii Five-O and was preformed by The Ventures.