(8 p.m., CBS3) - The team discovers that a former NCIS investigative assistant found fatally stabbed had been selling information to a gang of robbers.
America's Got Talent (8 p.m., NBC10) - Sharon Osbourne, Piers Morgan and Howie Mandel return as celebrity judges.
Great Performances (8 p.m., TV12) - Carnegie Hall 120th Anniversary Concert with violinist Gil Shaham, pianist Emanuel Ax, cellist Yo-Yo Ma and singer-actress Audra McDonald performing with the New York Philharmonic.
NCIS: Los Angeles (9 p.m., CBS3) - A murdered antiques dealer's missing book contains top-secret information.
Hellcats (9 p.m., CW57) - Charlotte, Savannah's sister and captain of a rival team, falls and is seriously injured.
Deadliest Catch (9 p.m., DISC) - The king crab season goes out like a lion when a ferocious storm blows through the fishing grounds.
Love Handles: Couples in Crisis (10 p.m., LIFE) - Overweight couples confront their weight issues.
The Daily Show With Jon Stewart (11 p.m., COM) - Host of Late Night with Jimmy Fallon.
Conan (11 p.m., TBS) - Comic Sarah Silverman; Biz Stone; Pete Holmes.
The Colbert Report (11:31 p.m., COM) - Author James Stewart.
Late Show With David Letterman (11:35 p.m., CBS3) - Kate Hudson; Rich Eisen; Emmylou HaCh. 6) Nightline (CC) (N)
The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Jennifer Lopez; Jesse Tyler Ferguson; BC Jean.
Jimmy Kimmel Live (Midnight, 6ABC) - Carson Daly; rapper Flavor Flav; I See Stars performs.
Lopez Tonight (Midnight, TBS) - Terrence Howard; comic Lisa Lampanelli.