Four new teams take off from St. Louis with a stunning twist at the starting line. Chonta discovers her southern slavery roots. Marcus learns Arkansas is a state, and takes part in a family dance-off.

Teams Red and Blue battle heavy rain and compete head-to-head in a building block challenge. Kaley and Kristin go back to driving school with a relative. Demetrius falls to his knees after meeting the first blood relative on his father's side.

All the teams must smell” their way to victory competing in a blindfolded challenge. Maria’s life is changed forever. Kaley and Kristin connect with their family at a recording studio.

The brothers from L.A. get a geography lesson and throw pottery for the first time. All teams carefully balance their way through a challenge. Demetrius discovers another relative on his Dad’s side & Maria attends a very special surprise birthday party.

The teams show off their singing abilities. Huge paper airplanes are made to pop through a challenge. Elizabeth discovers her Dad’s side of the family. Team Black finds out twins run in their family.

Chonta’s surprised by an emotional cousin. Team Red plays hockey with their newfound family, Team Green camps and learns to wakeboard, and Team Black learns baseball from their relatives.

Each team’s art skills are put to the test in a challenge. Elizabeth's emotions are conflicted with a close relative. The twins continue their journey and meet a key relative in the search for their Dad. Marcus connects with his Dad’s side.

The teams are faced with a marble challenge and their teamwork is tested. Keith and Marcus go to Las Vegas for the first time. Elizabeth's maternal family blossoms with a close connection. Maria gets overwhelmed by the pressure of the competition.

The teams get a challenge that tests their hearing. Demetrius meets a key paternal relative in Chicago, Illinois. Marcus and his Dad share a heartwarming discovery. Team Red heads to Abington, Pennsylvania for laser tag with their family.

After 9 days on the road, the remaining teams face off in the desert of Tucson, Arizona for the chance to win the $50,000 prize. They are challenged in cowboy skills, like quick-draw gun duels, rock climbing, corn shucking, and a cattle roundup.