A father who hopes to buy a house in his hometown with his family competes.

Contestants compete in 10 seemingly simple games to win $1 million.

A nanny from Arkansas who hopes to become an occupational therapist competes.

A woman hoping to buy her dream home competes.

A contestant from Texas competes against a contestant from San Diego in hopes of advancing to the next round.

A law clerk continues to compete in hopes of winning big; a firefighter from Los Angeles must put a lampshade on his head with a fishing rod while blindfolded.

A firefighter from Los Angeles continues his quest for the million-dollar prize; a schoolteacher competes.

An aspiring restaurateur looks to win money to open his own eatery; a videographer wants to win money to get her family a new car.

Contestants go head-to-head in a series of challenges, leaving only one to compete for the million-dollar prize.

Contestants go head-to-head in a series of challenges, leaving only one to compete for the million-dollar prize.

An engaged couple competes for the million-dollar prize; musician Kevin Jonas plays for charity.

An engaged couple competes for the million-dollar prize.

Identical twins play together for a chance at $1 million.

An engaged couple competes in hopes of winning cash for a dream wedding.

Members of a sorority compete in hopes of winning cash to pay for college.

Two strangers participate in challenges in hopes of winning $1 million.

A couple who met in an office face challenges that use office supplies.

A Massachusetts woman takes on a woman from California in a coast-to-coast battle for the $1 million prize; NBA cheerleaders play as a team to win money to support their disabled parents.

A Massachusetts woman takes on a woman from California in a coast-to-coast battle for the $1 million prize; NBA cheerleaders play as a team to win money to support their disabled parents.

California sisters compete for their grandmother, who wants to return to her homeland of Italy.

Sisters compete together to win the grand prize.

A pair play the games, including the Candelier challenge, which involves stacking cans and paper plates.

The Vikings' Bernard Berrian and 49ers cheerleader Amber Wright tackle a million dollars worth of challenges for charity.

NFL player Bernard Berrian and cheerleader Ambert Wright finish their game; NFL players Anthony Herrera and Robert Meachem compete for charity.

Iraq War veterans take part in challenges in hope of winning $1 million.

A holiday episode featuring festive prizes in addition to cash, a "The Twelve Days of Christmas" theme, audience giveaways and music performances.

A holiday episode featuring festive prizes in addition to cash, a "Twelve Days of Christmas" theme, audience giveaways and music performances.

Two bartenders, who are best friends, must complete 10 stunts, including the Baby Rattle Challenge, to win $1 million.

A beauty queen and her mother compete for $1 million.

An adventurous woman from California and a man from Colorado compete for $1 million.

Two contestants from Kansas work together in hope of winning $1 million.

Two contestants from Kansas work together in hope of winning $1 million.

Two women take part in the competition for the top prize.

A woman and her daughter compete against a man and his son in hope of winning $1 million.

Part 1 of 2. Mountain climber Aron Ralston, the inspiration for the movie "127 Hours," plays the games. Included: the Wheel of a Deal challenge, which involves separating 20 cards into five identical groups.

Conclusion. Aron Ralston continues to play the games in hopes of winning $1 million for charity.

A pair of strangers team up to play the games, including the Dizzy Mummy challenge.

Two couples play the games, starting with the Brew Ha Ha challenge.

NBA players Derek Fisher and Shannon Brown play the games for charity. The pair start with the Nice Build challenge, which requires them to build a three-level pyramid from paper reams.

A father-daughter duo play the games, starting with the Mad Dog challenge.

An Oregon woman and Texas man play the games, including the Tilt-A-Cup challenge. Later, a married couple compete for the grand prize and play the Roll With It game.

A married pair continue playing the games, including the Back Flip challenge. Later, an Arizona man and a California woman play a game requiring them to blow up balloons and use the air inside to blow cups off a table.

Two pairs play the games, including the Spare Me and Sticky Balls challenges.

A sheriff and single mom play the games, including the Tilt A Cup challenge.

Mother-daughter duos play the games, starting with the Temper Tantrum challenge.

Two guys play the games, including the This Blows challenge. Later, a new round kicks off with the Floatacious challenge.

A couple and their four daughters play the games, including the Temper Tantrum challenge.

A teacher and a youth-group leader play the games, including the Candelier challenge.

A Detroit woman plays the games, starting with the Floatacious challenge.

A Detroit woman continues playing and takes on the On the Hook challenge.

A pair of brothers from North Carolina play the games, including the Hoop De Loop challenge.

"Jackass" stars Steve-O and Ryan Dunn play the games for charity. Included: the Mad Dog challenge, which requires them to empty breath-mint boxes attached to a ruler by shaking their heads.

A pair of friends play the games, starting with the Nice Build challenge. Later, two sets of sisters go head-to-head and take on the Stack Attack challenge.

Two pairs of sisters play the games, including one in which they must balance six dice on a stick held in their mouths.

A California husband and wife vie for the prize; a woman from Arizona and a man from Massachusetts compete.

Strangers play the games, including the Nutstacker challenge. Later, siblings play for the prize and take on the How's It Hangin challenge.

A Marine and an Army wife play the games, starting with the Spare Me challenge. Later, a California woman and an Indiana woman take on the Temper Tantrum challenge.

A Tucson woman continues playing the games, starting with the Keep the Change challenge. Then, a Los Angeles pair compete for the prize and take on the Tilt-a-Cup challenge.

A California woman and an Indiana woman continue playing the games, including the Play It by Ear challenge. Later, two new contestants from California play for the prize and start with the Hoop De Loop challenge.

Florida and New York women play the games, including the Floatacious challenge. Later, a new game begins with two contestants from California, who take on the Temper Tantrum challenge.

A New Hampshire mother-daughter duo play the games, including the Human Burrito challenge.

A teacher and construction worker face off in a best-of-three competition, which includes the Stack Attack challenge. Later, a Tucson woman starts a new game and takes on the Chocolate Unicorn challenge.