I'm not sure what Kristen Bell is doing as co-host of the "CMT Music Awards" (7 p.m., CMT). Maybe the "Veronica Mars" star is there to make sure co-host Toby Keith behaves himself. Performers include Kenny Chesney, Lady Antebellum, Carrie Underwood and Zac Brown Band.
Mansion in the Hills
"Million Dollar Listing Los Angeles" (8 p.m., Bravo) takes a look at that shrinking club of people who can still afford to spend millions on a house. In the season premiere, real estate agents try to move properties in Malibu and Beverly Hills.
May the best meal win
Just how delicious is Tilia's Fish Taco Torta? Find out as it takes on 29 other contenders in "Adam Richman's Best Sandwich in America" (8 p.m., Travel), a new series that debuts with back-to-back episodes featuring Pittsburgh's the Cap & Egg and New Orleans' Shrimp Po Boy.