Today on TV

Are You Smarter Than a 5th Grader? (7 p.m., Ch. 13): Playing for charity, Larry the Cable Guy rejoins his old "Blue Collar Comedy Tour" buddy, series host Jeff Foxworthy.

Whale Wars (7 and 9 p.m., Animal Planet): The anthrax scare turns out to be a hoax; the Japanese whalers arm themselves with a new weapon.

Eureka (7 and 10 p.m., SyFy): It's back to that weird little town for the first of 10 new episodes.

Soccer (7:30 p.m., BYUTV): Fresno Fuego at BYU

Mental (8 p.m., Ch. 13): Veronica learns that a former patient's obsessive-compulsive disorder and Tourette's syndrome have gotten a lot worse.