Married couple Christiana and Nic from Door County, Wis., compete against the wall.

Sisters Kevyn and Monet representing Rochester Hills, Mich., and Oxford, Ohio, respectively, gear up to take on the wall, hoping to leave the game victorious.

Engaged couple Turner and Shelby representing Northglenn, Colo., participate in a face-off with the wall; a special guest makes an appearance.

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

Veteran Travis Mills and his wife, Kelsey, from Manchester, Maine compete on the wall. Will they take a risk or play it safe?

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.