Right at the beginning, Hank asks: ''How long has it been?'' and without knowing what Hank is talking about, Brent answers: ''April 13th, 2009''. This is the date the last show was aired.
When Davis is talking to Lacey in the diner about other ways to get power off the grid, his left hand is holding his fork. The view cuts to another angle from his right, and his left hand is holding the handle of his coffee cup. He then lets it go and picks up his fork.