Justified (10 p.m., FX) – The sixth and, sadly, final season of “Justified” begins tonight. This season, which will feature guest star Sam Elliott (sans mustache) beginning in the second episode, focuses on the marshals’ efforts to finally stop the criminal enterprises of Boyd Crowder. Tonight’s opener has Boyd planning a daring bank heist, Raylan trying turn Ava against Boyd, and Dewey Crowe getting out of prison.
Parks & Recreation (8 p.m., NBC) – Leslie’s team works together to strengthen her case that the Newport land should be turned into a national park. Ron fights back by bringing on a celebrity as a minority owner. At 8:30, Leslie and Ron try to work out their differences.