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.
Falling Skies (9pm, TNT) - In the Season 2 finale, the skitters draw nearer to the newly consolidated resistance force, and the 2nd Mass encounter their most perilous threat as Tom (Noah Wyle) discovers game-changing information.
To stave off any sudden Bon Temps withdrawals when the current season of "True Blood" ends next weekend, we're giving away a new DVD/Blu-ray/Digital Download combo copy of the very faerie Season 4 of the HBO hit series.
The Newsroom (10pm, HBO) - Sloan (Olivia Munn, right) subs for Elliot during the Japanese nuclear crisis following the March 2011 earthquake, but her harsh questioning of a Tokyo power company representative could damage her credibility. Meanwhile, Will has a bout of insomnia that leads him to therapy, where he learns a lesson about bullying.
True Blood (9pm, HBO) - Jason is disturbed by a dream and Bill and Eric hope Sookie will help them look for Russell Edgington (Dennis O'Hare, right). According to news reports, the 3000(plus)-year-old Vampire King of Mississippi will fall in love again this season. Awwww.
Falling Skies (9pm, TNT) - The two-hour Season 2 premiere opens with Pope seizing command of a renegade contingent within the 2nd Mass Unit. Later, Tom suddenly returns to the group after being abducted by the skitters, and his loyalty is questioned. In the second hour, Tom is plagued by haunting memories of his time with the aliens and begins to speculate that they may have tampered with his mind.
Yellowstone Plateau. A second episode at 10 looks at desert wildlife.
9/11: 10 Years Later (9pm, CBS) - A 2011 update of Jules and Gedeon Naudet's 2002 documentary featuring footage of the FDNY's rescue efforts at the World Trade Center on September 11, 2001. Included are new interviews with firefighters who commented in the original documentary and footage of the rebuilding of the site. Robert De Niro hosts.
Curb Your Enthusiasm (10pm, HBO) - In the Season 8 finale, Larry clashes with his New York neighbor Michael J. Fox, Jeff makes a sacrifice for Susie, and Larry is flagged for giving an improper birthday gift.
Aerial America (8pm, Smithsonian) - Tonight's focus is North Carolina and features an aerial tour of the Outer Banks, the mountains, inland forests, and cities.