Today on TV

Wipeout (7 p.m., Ch. 4): The contestants take on the dreaded Foamy Launch Pads.

Eureka (7 and 10 p.m., Sci Fi): The town is threatened by drones. (Third-season premiere)

I Survived a Japanese Game Show (8:01 p.m., Ch. 4): Another contestant is eliminated.

America's Got Talent (8 p.m., Ch. 5): This week it's contestants who submitted their auditions online via MySpace.

PrimeTime (9 p.m., Ch. 4): A tribute to the late Randy Pausch, whose Last Lecture became a phenomenon.

P.O.V. (9 p.m., Ch. 7): In Japan, a political novice is nominated for a seat on the city council.