Tuesday television

"Extreme Weight Loss" 8 p.m. ABC — Nicole Eggert supports a woman in her quest to lose weight.

"Deadliest Catch" 9 p.m. Discovery — An accident occurs aboard the Time Bandit.

"The Voice" 9 p.m. NBC — The top sixbecomes the top four.

"America's Got Talent" 9:01 p.m. NBC (eighth season debut) — Two new judges: Mel B and Heidi Klum join Howard Stern and Howie Mandel.

"The Haves and the Have Nots" 9 p.m. OWN — Candace increases pressure on Jim.

"Brooklyn DA" 10 p.m. CBS — A prosecutor goes after the alleged killer of a New York City police officer.