Under the Dome
A gigantic, transparent dome suddenly isolates a small town from the rest of the world in this premi®re. Based on a novel by Stephen King, the new drama follows the town's residents as they search for answers about the dome. CBS/Global, 9 p.m.
Three roommates struggle to find balance as they face relationship woes in this new Canadian comedy. In this debut, a run-in with an old college buddy prompts Jason to question his future, and Maggie encourages Mark to find a new wingman. CTV, 7 p.m.
Savi reasons her pregnancy is most likely the result of her relationship with Harry, not her one-time fling with Dom. Karen can't help but be drawn to her former lover's college-aged son. Joss befriends a gay real estate agent. ABC/CTV, 9 p.m.
George Stroumboulopoulous: Gerry Dee
Jay Leno: Steve Carell, Barenaked Ladies
David Letterman: Melissa McCarthy, Idris Elba
Jimmy Kimmel: Liev Schreiber, Amy Schumer
Craig Ferguson: Toni Collette, Dylan Moran
Jimmy Fallon: Ethan Hawke, Rose Byrne
The Daily Show: Maggie Gyllenhaal