"Are You Smarter Than a 5th Grader?" host Jeff Foxworthy is a bona fide TV star now — and not just an icon of the NASCAR set.

Foxworthy, whose redneck comedy shtick has sold hundreds of millions of comedy albums and spawned movies, a TV show ("Blue Collar TV") and a line of books (22 and counting), says he's surprised at the huge audiences tuning into "Are You Smarter?"

What he's not surprised at is the show's mass appeal.

"I thought it would do well but ... good grief, not like this," he says.

"I thought there was a market for it because there's been that void of having a show the entire family can watch together."

On the show — which snared a whopping 27 million viewers premiering after "American Idol" Feb. 27 — adults match wits with a regular panel of five 5th graders, trying to answer questions culled from grade-school textbooks.

And they often lose to their pint-sized competitors.

Click here to read the rest of the story.