Surface, 8pm, NBC. This sci-fi excursion is struggling in the ratings, though it has a loyal fan base.

Wife Swap, 8pm, ABC. With the dirtiest little name in television, the show lives up to the tawdriness with plenty of drama.

Skating With Celebrities, 8pm, FOX. Tonight promises endless excitement with an elimination and the season’s first serious injury.

Animal House, 8pm, AMC. The quintessential college hijinks flick never fails to amuse…no matter how many times we’ve seen it.

24, 9pm, FOX. Kiefer tries to save the world in an hour. Again.

9pm is resplendent with repeats tonight. You may want to go for a television movie instead: the nail-biter Flight 93 is premiering on A&E tonight.

The Bachelor, 10pm, ABC. Romance and rejection aplenty!

CSI: Miami, 10pm, CBS. Gore, gore, gore. And more gore!

American Chopper, 10pm, Discovery Channel. Cool bikes and family histrionics make this an always-entertaining diversion.