This new music awards show, broadcast live from the Shrine Auditorium in Los Angeles, features some of today's biggest artists. Taylor Swift, Blake Shelton and many more are nominated. NBC, 7 p.m.
The Big Bang Theory
Professor Proton -- a.k.a. guest star Bob Newhart -- returns in the new instalment, The Proton Transmogrification, and helps Sheldon deal with a personal crisis. Leonard and Penny begin a competition. CBS/CTV, 7 p.m.
Acclaimed neuroscientist Dr. Catherine Black (Kelly Reilly) strives to keep her life together in the new episode, Sweet Little Lies. Medical students try to figure out why a young nanny is experiencing hallucinations. ABC, 9 p.m.
George Stroumboulopoulos: R.H. Thomson
David Letterman: Louis C.K., Amy Sedaris
Jimmy Fallon: Andrew Garfield, Mary Lynn Rajskub
Jimmy Kimmel: Sandra Oh, Boy George
Craig Ferguson: Cheryl Hines, Rampage Jackson
Seth Meyers: Kiefer Sutherland, Rose Byrne
Jon Stewart: David Spade
Conan O'Brien: Martin Short, Jessica Paré