Person of Interest
Reese gets closer to catching up with Finch and his kidnapper Root, in this rebroadcast. Elsewhere, Root presses Finch for information about the machine. Emmy Award winner Margo Martindale guest stars as a woman from Root's past. CBS/Citytv, 8 p.m.
President Gilchrist is determined to track down someone important to the first family. Meanwhile, he and the first lady host the Austrian chancellor and his wife. However, Emily causes a stir when she ignores protocol to do things her own way. NBC, 8:30 p.m.
When the USS Colorado becomes the site of a violent battle for control, the submarine could fall into the wrong hands in this finale. Marcus and Sam struggle to take control of the sub before a third party puts an exploitative plan into motion. ABC/Global, 7 p.m.
Jay Leno: Dustin Hoffman, Kenny Loggins
David Letterman: Denzel Washington, Paul Banks
George Stroumboulopoulos: Allan Hawco
Craig Ferguson: Tom Hanks, Quentin Tarantino
Jimmy Fallon: Arnold Schwarzenegger, Maggie Q
The Daily Show: Christopher Walken
Jimmy Kimmel: Matt Damon
Conan O'Brien: Adam Scott, Mo Mandel