11 new teams learn that the duo who wins the first leg of the race will receive The Save, a game changing element that allows them to rescue themselves if they finish last on a future leg.

The race continues in London where teams try to win an Express Pass, but some pairs chances are capsized while boating in a punt in Oxford, England.

The race continues in Scotland's Shetland Islands, where the teams tackle an obstacle course while attempting to corral a flock of sheep.

The race continues in Copenhagen where the dentists realize they may need to use their Save during a painstaking Detour. Later, one team's lack of communication leads to a massive meltdown on the mat.

The racers face a double U-turn in Morocco. Meanwhile, two teams accuse each other of playing dirty.

The race continues in morocco, starting with a race to carry hay to a horse where they ride back to the town square, Kim and Alli in first. They go to their detour; making a tent or churning goat milk to make cream. Kim and Alli change detours three times but still come out of it in first, Bethenny and Adam in close second. Then, one team member from each team must zip line across a canyon, finish a puzzle, and zip line back. Misti and Jim finish first, Bethenny and Adam in second, and Kim and Alli in third. Nici and Shelly get eliminated.

The race continues in Palermo, Sicily, where teams battle to beat the clock in a go-cart race through the mountains. Also, two rival duos form an unlikely alliance.

The race continues in Valletta, Malta.

The race continues in Singapore where a dangerous misstep leaves one competitor dangling 600 feet above the ground. Also: a traditional Asian detox leaves some teams writhing in pain.

Teams race to Manila, Philippines where they get muddy with an ornery Ox during a memorable switchback challenge from season five.

The race continues in the Philippines where two strong teams make a mistake that could cost them a chance to win the $1 million. At the pit stop, Phil greets the racers with some shocking news.

The final four teams race the final leg in Los Angeles, where one duo is eliminated before the other three pairs sprint to the finish line to win $1 million dollars.

The best of the reality series crop is back, with 12 teams of 2 players each racing around the world, trying not to be eliminated at a series of checkpoints in which the last team to arrive is booted from the show. CBS chooses teams with relationships containing at least some tension, especially when the situation involves intense pressure. This season includes such duos as two circus clowns, a gay married couple, a father and son, a recently engaged couple, married couples, and best friends. Written by T.J. Magwire