Erin and Rachael risk everything to conquer the Wall.

Sheriese and Kieara brave the Wall for a chance to win big.

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.

Niko, a Purple Heart veteran, and his wife, Kassie, from Phoenix, Ariz., take a chance and risk cash prizes, all hoping the balls drop their way.

Victor, a transit police officer, and wife Evelyn, who works in human resources, from Union, N.J., take a chance and risk cash prizes, all hoping the balls drop their way.

Jakia, a Laurel, Md., nutritionist at a non-profit, and her cousin Shana, a grocery store manager from Washington, D.C., take a chance and risk cash prizes, all hoping the balls drop their way.

Brooke, a photographer, and her husband, Cody, a firefighter and paramedic from Las Vegas, take a chance and risk cash prizes, all hoping the balls drop their way.

Steve, an administrative assistant, and his husband, Nick, a marketing manager from Akron, Ohio, take a chance and risk cash prizes, all hoping the balls drop their way.

Mother-daughter duo Alex and Jodie, both nurses from Oklahoma City, Okla., share a passion for rescuing animals and together have fostered more than 150; the two hope to hit the $1 million mark on the wall.

Father and son duo Bob, a pediatric eye doctor, and Peter, a medical resident, take on the wall to benefit the Strong City Foundation, a nonprofit that helps underserved youth.

Brothers Hecthan and Hector reside in Fort Lee, N.J.; corrections officer Hecthan and Army veteran Hector are hoping to win big to help family and friends devastated by Hurricane Maria in their native Puerto Rico.

Jahmar, a high school counselor, and his uncle Michael, a limo driver, take on the wall; the Superdrop gives the two the chance to win big.

Sisters Denise, a bus driver, and Tisha, an electrician, from Milwaukee put their technical skills to work on the Wall.

Debbie, a retired police officer, and Ghadir, a student, are a grandmother and granddaughter duo from Baltimore, Maryland. With the all-new "Free Fall+", and millions of dollars just a drop away, there is no stopping how far this duo will go.

Jason and Jay are US Navy Veterans and husbands from Darnestown, Maryland. It's hard not to root for these dreamers as they face The Wall and look to walk away with millions of dollars.

Terra, a primary school principal, and Brandi, an admissions counselor, are sisters from Atlanta Georgia. With life changing money on The Wall, will these two ace their game and walk away with 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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