So You Think You Can Dance
Don't miss the exciting season finale of this Emmy Award-nominated reality competition series. The competition has reached its peak and America's favourite dancer is about to be announced. Nigel Lythgoe and Mary Murphy serve as judges. Fox/CTV, 7 p.m.
Mark Evans heads to Hudson Bay in this new episode. Polar bears are causing problems in the area's isolated communities, and Mark looks into a warning system used to deter them. The veterinarian seeks out ways to resolve human-wildlife conflicts. PBS, 9 p.m.
This new supernatural drama, based on characters from the movie Legion, follows the battle between two archangels -- Gabriel and Michael -- for control of what's left of a post-apocalyptic planet Earth. Showcase, check listings for time.
David Letterman: Kristen Wiig, the New Pornographers
Jimmy Fallon: Blake Shelton, Sheila E.
Jimmy Kimmel: Gwyneth Paltrow, Terry Crews
Craig Ferguson: David Arquette, Inbar Lavi
Seth Meyers: Gwen Stefani, Andy Roddick
Jon Stewart: Rory Kennedy
Conan O'Brien: Justin Theroux, Tony Hale