“U.S. Olympic Swimming Trials” on NBC at 8:00 p.m.

Looking for a little pre-Olympic eye candy? Check out the swimming finals with some of America’s finest athletes competing… in very small Speedos.

“The Great Domestic Showdown” on ABC at 9:00 p.m.

Missing out on your Martha Stewart? Check out the showdown as six contestants prove their skills in decorating, cooking, gardening, entertaining, home improvement and preparing a gala event.

“Big Brother 5” on CBS at 9:00 p.m.

Can 13 strangers live in a house together and survive long enough to win $500,000? Better yet, can cute gay nurse, Will, from Tupelo, Miss., charm his way to the end?

This latest retelling of the English legend attempts to cast the story in a historical context. The film concentrates on the political intrigue behind King Arthur’s court, which rose to power in Britannia in the aftermath of the fall of the Roman Empire. More in the vein of Braveheart than Excalibur, the film relies on factual historical information rather than the usual mythical legends.

Will Ferrell stars as an over-the-top TV anchorman in the comedy Anchorman. Set in San Diego in the 1970s, Ferrell plays Ron Burgundy, a newsman who develops a rivalry with a more competent and talented female journalist played by Christina Applegate.

From the rural town of Preston, Idaho, comes Napoleon Dynamite. With a red ’fro, his moon boots and illegal government ninja moves, he is a new kind of hero. When his friend, Pedro, decides to run for class president, it is Napoleon to the rescue to help him triumph over adversity.