Today on TV

• NCAA women's basketball tournament (5 and 7 p.m., ESPN): Regional finals

• NCIS (7 p.m., Ch. 2): A petty officer is found dead at a bikini contest.

• Nova (7 p.m., Ch. 7): A look at the deadly tsunamis that killed hundreds of thousands in December.

• American Idol (7 p.m., Ch. 13): The 10 remaining contestants perform.

• Amazing Race (8 p.m., Ch. 2): The teams travel to South Africa in this two-hour episode, which features two accidents.

• Scrubs (8 p.m., Ch. 5): JD and Elliot team up and try to smooth over Carla and Turk's marital woes.

• Krakatoa (8 p.m., Ch. 7): The 1883 volcanic eruption in Indonesia that affected the entire planet.

• House (8 p.m., Ch. 13): House tries to determine why a 10-year-old had a heart attack.

• Veronica Mars (8 p.m., Ch. 24): Veronica has an emotional reunion with her mother.

• Queer Eye for the Straight Guy (8 p.m., Bravo): The Fab Five travels to the Lone Star State to make over some Texas guys.

• Rodney (8:30 p.m., Ch. 4): Trina has had it with Rodney.

• Blind Justice (9 p.m., Ch. 4): Dunbar's former partner is shot.

• Law & Order: SVU (9 p.m., Ch. 5): Benson tries to protect a teenager from her hostile mother.