Ruben, a dentist who provides free dental work to patients in need, and his wife Sandy battle the Wall in hopes of winning big for their five children.

College professor Chris and his police officer brother Prince are ready to dominate the Wall and win millions.

The Wall celebrates NBC's Tokyo Olympic Games! Two-time gold medalist speed skater Apolo Ohno, and his fiancée Bianca Stam, take on The Wall to raise huge amounts of money for the Team USA Fund, supporting future Olympic and Paralympic athletes.

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Evalyna, an Air Force veteran and member of the Blackfeet tribe, and husband Shawn, a former bomb technician for the Army and currently a detective, are from Great Falls, Mont. They adopted their four daughters within six months of each other to help give them a better life. With millions on the line, will this couple have what it takes to take home a massive payout?

Mikail, a FedEx driver in Georgia, and his sister Shakira, an award-winning ICU nurse in North Carolina, both enjoy helping the community. Mikail recently went viral for helping a young boy get his skateboard to his idol, Tony Hawk. With the all new "Free Fall +," these siblings will build up their bank in hopes of walking away with life-changing money.

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Jordan, who works in real estate, and Maurcus, a non-profit manager, are newlyweds from Atlanta. The two traveled to the Bahamas after Hurricane Dorian to help rebuild the islands. Will these newlyweds have the knowledge and the luck to win the honeymoon money they deserve?

Ted, a youth-sports coach and Hayden, who is in sales, are a father and son from Akron, Ohio. Hayden won the American Red Cross Hometown Hero Award after he saved a young girl from drowning

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Father and daughter John and Toni from Antioch, California, contend on the wall.

Engaged couple Rachel and Chris from Loveland, Colo., take on the heat and contend for a chance to win big on the wall.

Capitol Police Officer David and godbrother Chris from Washington D.C. face the wall and the pressure to leave triumphant.

Mother-daughter duo Kavi and Radhika, representing Green Brook, N.J., take on the ups and downs of contending on the wall.

Sisters Karly and Megan from Las Vegas and Makawao, Hawaii, respectively, go up against the wall.

Married couple Jerimiah and Nikki from Lubbock, Texas, take on the wall, hoping to win big.

Turquoise and her husband, Donald, represent Durham, N.C., and go head-to-head with the wall.

Sisters Melissa and Liz from Chanute, Kan., join forces to test their knowledge and luck on the wall.

Mother-son duo Yvonne and Jakob representing Fort Carson, Colo., and Washington, D.C., respectively, take on the wall in hopes of winning big.

First responders, and father-daughter duo Larry and Laura join forces to represent Tampa, Fla., and go head-to-head with the wall.

Rollercoaster enthusiast Adam and his mother, Shelley, from Orlando, Florida, take a shot at more than $12 million on the wall.

Joel, a heroic garbage truck driver from North Haven, Conn., and wife Suzanne, a kindergarten teacher, take on the wall in hopes of winning big for their retirement.