The 13 teams set out on the adventure of a lifetime across the ancient kingdom of Morocco, battling rugged terrain, untamable animals and each other.
The stakes are high and the challenges immense for the seven teams that are still in the running.
The teams must tame spirited horses and kayak down a river before facing an enlightening challenge.
The strength and endurance of the six remaining teams are about to be tested to the fullest.
The teams face camels and a sandstorm while racing through a river canyon; Lindsey has a close call; Mackenzie breaks down.