The Wall

Debbie, a retired police officer, and Ghadir, a student, are a grandmother and granddaughter duo from Baltimore, Md.; with millions of dollars just a drop away, there is no stopping how far this duo will go.

Jason and Jay are U.S. Navy veterans and husbands from Darnestown, Md.; after serving in Iraq on the bomb squad, they helped to secure, organize and clean up their hometown community; they face the wall, hoping to walk away with millions.

Terra, a primary school principal, and Brandi, an admissions counselor, are sisters from Atlanta; with life-changing money on the wall, these two try to ace their game to walk away with millions.

"The Wall" celebrates NBC's Tokyo Olympic Games; two-time gold medalist speed skater Apolo Ohno and his fiancee, Bianca Stam, take on the wall to raise money for the Team USA Fund, supporting future Olympic and Paralympic athletes.

Tammy, a high school administrator, and husband Doug, an Army veteran, from Newport News, Va., love to help their community; Tammy raises funds every year for her students' prom, and now she and Doug try to dance their way to millions.

Adoptive parents Evalyna, an Air Force veteran and member of the Blackfeet tribe, and Shawn, a detective and former bomb technician for the Army, from Great Falls, Mont., try to prove they have what it takes to take home a big payout.