NBA playoffs: Bucks at Hawks (5 p.m., NBATV); Heat at Celtics (6 p.m., TNT); Blazers at Suns (8 p.m., NBATV); Thunder at Lakers (8:30 p.m., TNT)
Dancing With the Stars (7 p.m., Ch. 4): Another pair is eliminated.
Biggest Loser (7 p.m., Ch. 5): A contestant gets devastating news.
American Idol (7 p.m., Ch. 13): The remaining contestants perform.
Lost (8 p.m., Ch. 4): Lost (8 p.m., Ch. 4): Alliances change as the Locke and Jack camps merge.
Independent Lens (8 and 11 p.m., Ch. 7): In "Dirt! The Movie," it's postulated that industrial farming, mining and development have paved the way for droughts, starvation, floods and climate change.
V (9:02 p.m., Ch. 4): Erica learns that the Vs are after the Fifth Column; Valerie goes on the run.
Parenthood (9 p.m., Ch. 5): Amber's ex-boyfriend shows up; Julia and Joel fear Sydney may have Asperger's.
Justified (11 p.m., FX): Raylan has to deal with a sexy widow as he looks for a dead man's missing art.