When Derek and Karen find themselves at an unexpected crossroads, one of them is forced to make a difficult choice. Elsewhere, Hit List's first performance at the Fringe Festival doesn't exactly go off without a hitch. Sean Hayes guest stars. NBC, 9 p.m.
The finalists face their toughest challenge yet in this season finale. The show features professional and amateur cooks working with celebrity mentors Anthony Bourdain, Nigella Lawson, Ludo Lefebvre and Brian Malarkey. CTV, 7 p.m./ABC, 8 p.m.
In Play with Jimmy Roberts
Golf Channel continues to diversify its programming roster, adding a monthly newsmagazine in which Emmy-winning broadcaster Roberts unearths compelling human stories with connections to the fairway sport. Golf, 9:30 p.m.
George Stroumboulopoulos: TBA
Jay Leno: Olivia Wilde, Nick Offerman
David Letterman: Steve Carell, Emelia Clarke
Jimmy Kimmel: Adam Driver, Halestorm
Craig Ferguson: Minnie Driver, Ben Schwartz
Jimmy Fallon: Charles Barkley, Allison Williams
The Daily Show: Neil DeGrasse Tyson
Conan O'Brien: Nina Dobrev