NCIS (7 p.m. Channel 11) – Nobody died in the season finale, but remember Yogi Berra's famous line: It ain't over till it's over. The NCIS team's showdown with the notorious arms dealer La Grenouille (guest star Armand Assante) comes to an end, and it's far from calm.

Bones (7 p.m. Channel 4) – A skull smashes the window of a car driven by teenagers on the freeway.

House (8 p.m. Channel 4) – And then there were none. When we left House (Hugh Laurie) at the end of last season, he'd fired one of his fellows and had the other two quit on him. The characters will return this season – in what capacities, though, nobody's telling. Meanwhile, House has to hire some new help.

The Unit (8 p.m. Channel 11) – Can this unit be saved? For that matter, can Jonas (Dennis Hays-bert), who has an assassin on his tail? As he tries to stay one step ahead of his would-be killer, Ryan (Robert Patrick) struggles to keep the team from falling apart.

Boston Legal (8:30 p.m. Channel 8) Dan Fielding is playing for the other team now? The great John Larroquette, who played a prosecutor on Night Court, joins the cast in the 90-minute season premiere as Carl Sack, an old nemesis of Denny's (William Shatner) from the New York office.

The Singing Bee (8:30 p.m. Channel 5) – A new season begins for this summer entry.

Law & Order: Special Victims Unit (9 p.m. Channel 5) – Cynthia Nixon (Sex and the City) plays a woman with multiple personalities who is suspected of killing her daughter. In the course of investigating, Benson and Stabler (Mariska Hargitay, Christopher Meloni) get to know all five of her. Adam Beach joins the cast.