Leverage (8pm, TNT) - Nate tries to solve the air piracy mysteries of infamous 1970s hijacker D.B. Cooper, thereby helping a dying FBI agent come to terms with never apprehending the criminal.
Drop Dead Diva (9pm, Lifetime) - Jane achieves Web stardom after giving Nancy Grace a black eye while her lawyer idol looks on. Elsewhere, Stacy faces a business crisis when a customer claims he owns the patent on the Pake.
True Blood (9pm, HBO) - In the fifth season finale, Eric makes one last attempt to thwart the Authority and save Bill from losing his humanity. Meanwhile, Alcide prepares for another battle with JD, and Sam and Luna try to escape the Authority.
Hell on Wheels (9pm, AMC) - Cullen struggles to maintain order while Mickey's and Sean's lives are endangered.
Newsroom (10pm, HBO) - In the Season 1 finale, Mac is shaken by a potentially devastating revelation from gossip columnist Nina Howard, and Sloan mulls a new job opportunity. Also, Will, Mac and Charlie confront Leona and Reese during a volatile lunch meeting.
Copper (10pm, BBC America) - A figure from Corcoran's past returns to Five Points, and new questions arise about his daughter's death and his wife's disappearance.
Episodes (10:30pm, Showtime) - In the Season 2 finale, Merc threatens to leave Jamie for Carol when he discovers that his wife and Matt had an affair, and Sean is devastated when Beverly turns up at an awards dinner with a date.