NCIS (7 p.m., Ch. 2): A suicide attempt turns into a murder investigation.
Bones (7 p.m., Ch. 13): The founder of an organic supermarket chain is murdered.
Planet In Peril (7 p.m., CNN): A report on climate change, deforestation, species loss and overpopulation.
The Unit (8 p.m., Ch. 2): A stolen computer chip has information that could prevent a terrorist attack.
Dancing with the Stars (8 p.m., Ch. 4): Results show
House (8 p.m., Ch. 13): House must narrow the candidates to six.
NBA preseason (8 p.m., Ch. 14): Jazz vs. Lakers in San Diego
Reaper (8 p.m., Ch. 30): The latest escaped soul is a toxic polluter.
Cane (9 p.m., Ch. 2): The murder investigation focuses on Alex.
Boston Legal (9 p.m., Ch. 4): A woman asks Alan how she can get away with killing the man who murdered her daughter.
Law & Order: SVU (9 p.m., Ch. 5): A stabbing victim's death is linked to her volunteer work.
Frontline (9 p.m., Ch. 7): "Showdown with Iran" reports on the current standoff between that country and the United States.