So You Think You Can Dance
Cat Deeley hosts a new episode of this fierce competition as dance experts Nigel Lythgoe and Mary Murphy welcome a guest at the judges' table. The competition is heating up as the hopefuls continue to get eliminated. CTV/Fox, 7 p.m.
Duck Dynasty: Behind the Quack
The Robertson clan are even more candid than ever in a new episode of this behind-the-scenes special. Bonus, never-before-seen footage is shared that you won't want to miss, and you'll catch interviews with the cast and crew as well. A&E, 8:55 p.m.
A kitchen explosion claims the life of the owner of a popular diner in this new episode. As they conduct their investigation, Flynn (Kristin Lehman) and Vega (Louis Ferreira) discover that a former employee wanted something the owner had. ABC/CTV, 9 p.m.
George Stroumboulopoulos: Miss Piggy, Martin Katz
David Letterman: Eric Stonestreet, Brody Dalle
Jimmy Fallon: Robin Wright, Josh Charles, Weezer
Jimmy Kimmel: Common
Craig Ferguson: Larry King
Seth Meyers: Ricky Gervais, Zac Posen
Jon Stewart: George Takei