Tuesday on TV

NCIS (7 p.m., Ch. 2): A Marine dies horrifically.

V (7 p.m., Ch. 4): Erica uncovers a biological threat the Visitors have been plotting

Biggest Loser (7 p.m., Ch. 5): Suze Orman talks about the connection between health and wealth.

Nova (7 p.m., Ch. 7): Dream researchers investigate everything from narcolepsy to sleepwalking cats.

So You Think You Can Dance (7 p.m., Ch. 13): The remaining 12 contestants perform.

NBA (7 p.m., FSN): Thunder at Jazz

NCIS: Los Angeles (8 p.m., Ch. 2): Abby Sciuto (Pauley Perrette) crosses over from "NCIS" to join the search for a serial killer she's been tracking.

The Good Wife (9 p.m., Ch. 2): Alicia defends one of her firm's partners in a DUI case, and she worries that her husband might really be guilty of the charges that sent him to prison.

Frontline (9 p.m., Ch. 7): A report on the consumer loan industry and its impact on the economy.

Sons of Anarchy (11 p.m., FX): Jax and Clay prepare to battle The League.