Tonight's must-see: " MTV Video Music Awards"

Jack Black hosts. Performers include Beyonce, Justin Timberlake, Ludacris, T.I., the Killers and the Raconteurs. Christina Aguilera will also be on hand.

The eight contestants are introduced, then they pair with an established vocalist for their first performance. Participants include Lucy Lawless, Cheech Marin and Lea Thompson. Wayne Brady hosts.

Another houseguest is evicted from the compound. Julie Chen is the host.

A case unfolds from the point of view of parents (Laurie Metcalf, Matt Craven) whose son went to an arcade on his bike in the evening and never came home. Details are revealed as the mom and dad hear them from the agents.