Custom-built monster machines smash, crash and shred everything from tractors and photocopiers to cars and boats in this new series. In this debut, Lee Sage and the team work on a one-of-a-kind shredder to deal with electronic scrap from a mining company. Discovery, 6 p.m.
Sixteen adventurous contestants arrive in a remote region ready to compete on a reality-TV show, but tragedy soon strikes when one of them is injured. This one-hour drama, which was shot in Manitoba last year, chronicles the contestants' efforts to survive in an area with a mysterious past. NBC, 9 p.m.
Get Out Alive With Bear Grylls
Survivalist Bear Grylls guides 10 teams of two on a gruelling journey through New Zealand's South Island in this new reality-TV series. They'll face everything from dense forests to freezing rivers in their quest to win the $500,000 prize. NBC/Global, 8 p.m.
George Stroumboulopoulous: Conrad Black
Jay Leno: Charlie Day, Lionel Richie
David Letterman: Michael Cera
Jimmy Kimmel: Mary-Louise Parker, Idris Elba
Craig Ferguson: Heather Locklear, Louie Anderson
Jimmy Fallon: Jeff Daniels, Nick Swardson
Conan O'Brien: Armie Hammer, Angie Harmon