Sarah (Tatiana Maslany) plays a deadly game with a killer who knows her secret in this new episode. Meanwhile, she also struggles to stay one step ahead of the police and Art. An orphan assumes a dead woman's identity in this popular sci-fi drama. CTV, 9 p.m.
The Tonight Show With Jay Leno
Jay Leno welcomes guest Simon Cowell as he returns to the airwaves with his final season at the helm of this legendary late-night talk show. The long-running host is set to say his final goodbyes in February of 2014. NBC, 10:35 p.m.
Davis Guggenheim explores the American education system from the point of view of four teachers in this premiere documentary. Cameras go inside classrooms in different parts of the country to reveal the triumphs and challenges of teaching. CBS, 7 p.m.
George Stroumboulopoulos: David Steinberg
Jay Leno: Simon Cowell, Adam Carolla
David Letterman: Arsenio Hall, Laura Mvula
Jimmy Kimmel: C©line Dion, Jim O'Heir
Craig Ferguson: Tom Lennon, the Wild Feathers
Jimmy Fallon: Katie Couric, Patton Oswalt