With Seth Meyers
The comedian and longtime Weekend Update host on Saturday Night Live begins his tenure as host of Late Night this week. As his friend Jimmy Fallon moves on to host The Tonight Show, Meyers seeks to put his own stamp on Late Night. NBC, 11:35 p.m./CTV, 12:35 a.m.
How I Met Your Mother
The gang must create the famous Stinson Hangover Fixer from memory in the new episode Rally. The morning of his wedding, Barney suffers from the worst hangover of all time, and it's up to his friends to clear his head. CBS/Citytv, 7 p.m.
Enrico Colantoni (Flashpoint, Just Shoot Me) stars in this new Canadian-made medical drama, playing the acting chief of staff at a Toronto hospital whose daily job demands are complicated by the fact two of his children -- one a surgeon, one a nurse -- work there and a third -- a flunked-out medical-school failure -- has suddenly turned up in the ER. Global, 8 p.m.
George Stroumboulopoulous: Gerry Dee
Jimmy Fallon: Reese Witherspoon, Fred Armisen
David Letterman: Kaley Cuoco, Daytona 500 winner
Jimmy Kimmel: Liam Neeson, Dave Salmoni
Craig Ferguson: Zooey Deschanel, Vera Farmiga
Seth Meyers: Amy Poehler, Vice-President Joe Biden
Conan O'Brien: Jonah Hill, Lupita Nyong'o