So You Think You Can Dance
Judges Nigel Lythgoe and Mary Murphy renew their quest to find America's most talented dancer in this season premiere. Dancers line up and wait for hours for their one chance to impress the judges with their auditions. Cat Deeley returns as host. Fox/CTV, 7 p.m.
D-Day's Sunken Secrets
This new Nova special follows dive teams and underwater robots as they search the seabed off the coast of France for the wreckage of some of the hundreds of Allied ships lost during the invasion of Normandy. PBS, 8 p.m.
Claire pushes Jay into finally returning to ClosetCon this year in this rebroadcast. When Jay bumps into a few old colleagues, things begin to unfold a little differently than anyone anticipated. ABC/Citytv, 8 p.m.
George Stroumboulopoulos: Arlene Dickenson
David Letterman: James Franco, Idina Menzel
Jimmy Fallon: Arnold Schwarzenegger, Carson Daly
Jimmy Kimmel: Eric Stonestreet, Jesse Tyler Ferguson
Craig Ferguson: America Ferrera, Honeysuckle Weeks
Seth Meyers: Ellen Page, Lewis Black
Jon Stewart: Jim Parsons
Conan O'Brien: Simon Helberg, Eli Young Band