Nick Lachey hosts "Get in the Picture."

High School Musical: Get in the Picture (7 p.m., Ch. 4): The finalists settle in at Murray High and perform an impromptu concert for unsuspecting customers in a department store. And two hopefuls are relegated to the chorus.

Teen Choice Awards (7 p.m., Ch. 13): Miley Cyrus hosts. (Taped)

The Closer (7 and 10 p.m., TNT): An informant is shot to death.

History Detectives (8 p.m., Ch. 7): Could rusting film canisters contain unknown footage of Adolph Hitler?

Saving Grace (8 and 11 p.m., TNT): A mother goes missing.

The Mole (9 p.m., Ch. 4): Two missions test the skills of the three remaining players.

Nashville Star (9 p.m., Ch. 5): A winner is declared in the season finale.