A bomb goes off, sending Gibbs (Mark Harmon) and his crew into the midst of a terror investigation in this new episode, entitled Double Back. One of the top-rated dramas currently on television, this series follows investigators as they look into crimes associated with Navy and Marine Corps personnel. CBS/Global, 7 p.m.
An upstream dam on the brink of bursting threatens a Dene community in this new episode. As a result, Bobby (Adam Beach) races against time, politics and nemesis Bruce Ward (Nathaniel Arcand) struggles to evacuate the community in time to save the people. CBC, 8 p.m.
Fifteen special-effects makeup artists are eager to prove themselves in this season premiere. Hosted by McKenzie Westmore, the competition series follows the artists through several challenges designed to test their creativity and hands-on skills. Space, 8 p.m.
David Letterman: Michael Strahan, Jennifer Nettles
Jay Leno: Matt Damon, Chris Isaak
Jimmy Kimmel: Matt LeBlanc, the Fray
Craig Ferguson: Aaron Eckhart, Rhea Perlman
Jimmy Fallon: Bruce Springsteen
Jon Stewart: Tim Gunn