Today on TV

Published: Tuesday, April 24 2007 12:12 a.m. MDT

NBA playoffs: Nets at Raptors (5 p.m., NBATV); Heat at Bulls (6 p.m., TNT); Lakers at Suns (8:30 p.m., TNT);

NCIS (7 p.m., Ch. 2): The director's meeting with an informant goes horribly wrong.

Nova (7 p.m., Ch. 7) and Frontline (9 p.m., Ch. 7): The first hour looks at global warming and possible solutions for it; the second delves into the political battle over global warming.

Gilmore Girls (7 p.m., Ch. 30): Lorelai and Luke aren't exactly comfortable together. But Lorelai thinks that maybe that's a good thing.

The Unit (8 p.m., Ch. 2): Bob is forced to make a difficult decision out in the field.

Dancing With the Stars (8 p.m., Ch. 4): Another contestant is eliminated.

House (8 p.m., Ch. 13): Is a young scam artist on drugs?