About 72 Hours Season 1, Episode 5 :

Stranded in the stunning heat and beauty of New Mexico’s desert, three teams composed of three strangers must embark on a 36-mile adventure across soaring red rock mesas and steep river canyons in order to locate a briefcase full of cash in just 72 hours. All they have to accompany them in their quest for $100,000 are their teammates, the clothes on their backs, a GPS and one bottle of water.