The Wall

Married couple Chris and Rebekah take on the wall; Rebekah is a Boston Marathon bombing survivor who lost her leg in the blast and has vowed to do everything she could have done on two legs on one, including winning millions of dollars.

Bill, a retired firefighter who served on 9/11, and his daughter Meghan, a pediatric nurse, take on the wall.

Church co-pastors and brothers Matt, a firefighter, and Nick, a high school teacher and football coach, take on the wall; with the all-new Superdrop and millions of dollars just a drop away, there is no stopping where these Texas boys will go.

Valencia and Essence, a mother-daughter flight attendant duo from Indianapolis, take on the wall, which has them flying high; Valencia goes to isolation to take on the trivia, while Essence is out front directing those balls towards the million.

Nearly 50 years apart, grandmother and granddaughter duo Nellie and Taylor from Quarryville, Pa., take on the wall.

Deidra, a midwife and health care specialist, and her husband Damon, a high school principal, devote their lives to helping others; the new Superdrop brings big surprises for the Detroit duo.

Michael, a firefighter and carpenter, and Holly, a kindergarten teacher, from Knoxville, Tenn., look to take aim at the wall.

Siblings Neangela and Marcus from Oak Park, Ill., hope to win big.

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 Janeris and Jessina from Miami Gardens, Fla., who started a charity called A Sweet Chance that raises money for kids who are soon to leave the foster care system, take on the wall.

Goldin, a fitness guru who started a nonprofit to encourage kids to exercise and read, and fiancée Linda, currently a college professor soon to earn her doctorate, take on the wall.

Sisters Karen and Lori face the wall; they started a charity that puts hand dryers for gloves in every classroom to help kids deal with harsh Michigan winters.