Critic's corner

8 p.m., Channel 2
Tom and Ray Magliozzi, of NPR's "Car Talk," appear in this sometimes-silly, sometimes-sober documentary about the technology that could (eventually) make cars cleaner, safer, and more fuel-efficient. Extra points if you can figure out which is Click and which is Clack.

8:30 p.m., Channel 7
He's still missed. But I'm ready for the Best of Kristen Wiig.

8 p.m., Channel 25
What is "American Idol" without Kristy Lee Cook? Freedom fries without the grease? A cheesesteak without the Cheez Whiz?

10 p.m., Channel 7
Bill Pullman guest-stars as a love interest for Benson. He's a member of the news media, which in TV terms means he's up to no good.

10 p.m., MTV
Will she finally cause the downfall of Western Civilization? Tune in.

10 p.m, Discovery
This eight-part Discovery Channel series, which premieres tonight, sounds a bit like "Survivor" in the cold, except no Jeff Probst and no torch ceremony. Here the enemy is nature. I'd rather take on another oddly-named tribe.

10 p.m., Bravo
Jackie takes the female trainers on a lesbian cruise, but doesn't invite her girlfriend. Sounds like she needs etiquette boot camp.

Comcast, Encore
This absorbing documentary dishes up the glitz of the spectacle-oriented superbiz wrestling has become, then hooks us with portraits of three of its practitioners, Terry Funk, Mike Foley, and Jake "The Snake" Roberts. (R; runs through May 1)