Colin O'Brady challenges the Boyers and Espinosas to a three-day race through swampland, raging rapids, and alpine lakes. Who will let their family dynamic slow them down, and who will work together to win the $10,000 prize?

Colin hosts the Laudenslaugers and Thompsons over a three-day expedition as they travel by horse and foot through the most isolated mountains in the country. What kind of conditions can take out an entire family? These ones! Who will claim the prize?

Colin O'Brady tasks the Escobedos and Richardsons to survive three days traversing the vast a desolate land by foot, paddle, and ATVs. Which set of sisters will find common ground in the tough terrain and help their family claim the $10,000 prize?

Colin O'Brady challenges the Dixons and Purefoys to survive three wild days as they scramble over treacherous lava, through a windswept desert, and up a 7,000-foot rocky peak. Which family will take home $10,000?

Colin O'Brady challenges the Garceses and Koenigs to a three-day race over land, through water, and through the air as someone takes a helicopter to safety. Can the Garces boys or the Koenig girls power their family to the $10,000 prize?

Colin O'Brady challenges the Millers and Thompsons to a three-day race along lava rock, across the desert in all-terrain vehicles, and up a treacherous climb to a 7000-foot peak. It's a race where every step counts. Who will be the first to stumble?

Colin O'Brady challenges the Jones and Williams to a three-day wilderness race, including a plunge in an in alpine lake and a journey through a 10,500-foot high mountain pass. Which family will tackle nature's formidable test and claim the prize?

Colin O'Brady challenges the Blasingames and Elliotts to race through the wilderness, climbing peaks and kayaking deep waters in scorching temperatures. Which family will overcome the struggles of family and terrain to claim the $10,000 prize?

Colin O'Brady challenges the Gould and Hopkins families to survive three days in the wild. The families will have to rappel cliffs and summit a 10,000-foot. Will either family manage to beat the elements and claim the $10,000?

Colin O'Brady hosts the Cajuste and Daynes families in a down-to-the-wire 13-mile survival race. Who will survive family differences, injuries, and wild weather and claim the $10,000 prize?