Are you Smarter Than a 5th Grader?

Supermodel turned entrepeneur Kathy Ireland looks the part, but can her business acumen help her bring $1 million home to Providence Hall Preparatory High. And later, Georgia state school superintendant Kathryn Cox tries to prove that she is indeed smarter than a 5th grader.

Georgia state school superintendant Kathry Cox wins over Jeff Foxworthy with her funny, high energy and talkative ways. With the audience firly behind her, Cox continues her bid to win a million dollars, even earning a shout-out from the Lieutenant Governor of the State of Georgia!

Identical twins Dylan and Daniel Cox set the girls in the audience on fire with their winning smiles, non-stop cross-talk and general hotness. Later, Jeri Chandler tries to prove that she is smarter than a fifth grader!

Jeri Chandler continues her bid for one million dollars. Then, dentist Dr. Richard Allen finds himself in the hotseat for a change as he tries to prove he is smarter than a 5th grader.

Ivy Leaguer and Cornell graduate Phillip Torres brings his pet cockroach on stage for good luck while Jeff reminds him that previous Ivy Leaguers haven't fared so well against the 5th grade class. Then, Burbank School District lunch supervisor Ralph Peschek serves up 10,000 meals a week but can he serve up enough correct answers to walk away with one million dollars?

Astronaut Robert "Hoot" Gibson has commanded four space shuttle flights and earns shout-outs from Senator John Glenn and Apollo 13 astronaut Jim Lovell. But Houston, commander Gibson might just have a problem proving he is smarter than a 5th grader.

Jeopardy! super-champ Ken Jennings stops by and with a sly sense of humor and non-nonsese gameplay, attempts to prove that he is smarter than a fifth grader and, in the process, and another million to his lifetime gameshow winnings.

John Tyler Hammons is the USA's youngest mayor, but will his political skills and obvious charm help lead him to a million dollars? Then, Kansas prom King and Queen Eric Lutz and Riley Hicks -- in tux, gown and crowns -- take their shot at the prize. Will they win or flunk out?

"Regular Joe" Dave Ellis faces the class and then Lacreshia Withcher, Miss Plus America, comes dressed to the nines in her bid to take home the million!

Rock and roll legend Gene Simmons of Kiss goes for the million, playing for the Elizabeth Glazer Pediatric AIDS Foundation, while son Nick and "wife" Shannon Tweed root him on from the sidelines.

Inside Edition host and former Today show anchor Deborah Norville plays for the New York Society for the Prevention of Cruelty to Children, and then former Los Angeles Laker Rick Fox arrives to play for the AIDS Healthcare Foundation.

In another jam-packed celebrity edition, former L.A. Laker Rick Fox continues on his quest to win a million for the AIDS Healthcare Foundation. And later, 90210 star Jennie Garth gets support from her daughter and 90210 cast mates as she attempts to win a bundle for The American Heart Association.

It's the Rabbi vs. The Priest! In this edition, Rabbi Rick Brody puts his Yale education to the test and explains the origins of the yamika along the way. Then, the Reverend Richard Miles comes to redeem the family name, his daughter Meghan having "flunked out" on a previous episode.

The Reverend Richard Miles continues his quest for a million with support from his daughter Meghan, his wife and maybe, just maybe, a little help from above.

Hot Dog Eating champion Joey "Jaws" Chestnut tries to take a bite out of the prize money dut does he choke instead? Then self-described "cougar" Veronica Lodge tries to get her piece of the prize!

Larry the Cable Guy gets shout-outs from Bill Engvall and Arnold Palmer as he pursues a million dollars for the Pediatric Orthopedic Department at the Arnold Palmer Children's Hospital.

Jungle Jack Hanna brings along some furry friends as he plays for Partners in Conservation supporting Mountain Gorillas of Rwanda. Then lawyer, host, author and former "The View" diva Star Jones hopes to win some cash for the East Harlem School Exodus House.

Boxing legend Sugar Ray Leonard joins Jeff and plays for the Juvenile Diabetes Research Foundation. Will he take home a bundle or find himself "on the ropes"? Then wrestler Bill Goldberg gets a shout-out from actor David Arquette as he plays for Hot Rodder's Children's Charity.

Shark attack survivor Bethany Hamilton tries to prove she is smarter than a fifth grader, and Barack Obama lookalike Eli Kennedy hopes he has what it takes to take home the prize.

Superman Dean Cain flies through the questions in his quest to win a million for Lolipop Kids. Then Shomari Jennings wants Jeff to "Shomari the Money!"

Weightloss consultant Mariles Pinto may have lost 80 pounds, but she hopes to be weighted down with cash by the time she leaves the classroom. Then, exteme sports nut Michaele Medor displays her "blonde ambition" as she tries to prove that she is smarter than a fifth grader.

Nutty professor George Fitzgerald Smoot III won a nobel prize for his theory on the origins of the universe. With a wry sense of humor and a laid back attitude, he wins over the audience and tries to prove that this Nobel Laureate is definitely smarter than a 5th grader.