Today on TV

Published: Wednesday, July 25 2007 12:00 a.m. MDT

The Next Best Thing: Who Is the Greatest Celebrity Impersonator? (7 p.m., Ch. 4): A winner is declared in this competition ... and the world yawns.

Hairworld: The Pursuit of Excellence (7 p.m., Ch. 7): Team USA trains for the international hairstyling competition in Moscow. (Really. And it's on PBS, not Bravo.)

American Inventor (8 p.m., Ch. 4): The judges cut the field of hopefuls from six to three.

Last Comic Standing (8 p.m., Ch. 5): Semifinalists perform for the last five spots in the finals.

Don't Forget the Lyrics (8:30 p.m., Ch. 13): Wayne Brady hosts.

American Masters (9 p.m., Ch. 7): Artist John James Audubon is profiled.

Rescue Me (9 p.m., FX): The guys get a new chief.