12 teams gather in Los Angeles, where one team will be eliminated before leaving the starting line, while the 11 remaining duos head to Japan for the beginning of their 21-day, eight country journey.

The ten remaining teams depart Cai Be, Vietnam, on the third leg of a race around the world for one million dollars.

The teams go on a search on the streets of Cambodia for royalty. One team manages to lose their passport because of fooling around.

The teams are challenged by the heat in Dubai as they search for water. Meanwhile, one contestant inadvertently helps out a competitor.

The teams get the feeling of being delirious during a detour where the temperatures exceed 130 degrees. Elsewhere, while performing a task, one racer becomes paralyzed with fear.

The six remaining teams depart the Dolphin Bay Beach pit stop in Dubai for the Netherlands. A carillon bell counting Roadblock at Groningen’s tallest building, Martinitoren, leaves one racer in a head-scratching dilemma, while the unrelenting winds and physical demands at the Detour tasks in Vierhuizen de Marne test the mettle of several teams.....

The five remaining teams depart the pitstop in Zoutkamp Harbor, The Netherlands on the eighth leg of a race around the world for one million dollars....

As their 20th wedding anniversary nears, Francine lets herself go to see if Stan loves her for more than her looks, while wedding-planner Roger organizes their vow-renewal celebration. Meanwhile, Steve and Hayley search for a gift.

The four remaining teams depart the Pit Stop in the bogs outside Tallinn, Estonia on the tenth leg of a race around the world for one million dollars.

The four remaining teams depart the Pit Stop at Prague Castle on the eleventh leg of a race around the world for one million dollars, with Brian and Ericka knowing they’ll be facing a Speed Bump that will take up valuable time in their attempt to make it to the final three...

The final three teams race home from Prague to Las Vegas, where a stop at the Graceland Wedding Chapel points the racers to a Roadblock doing a face-first rappel down the side of Mandalay Bay. A later task performing like Cirque du Soleil members at the Mirage sees one racer suffer a complete meltdown, while knowing "the most famous casino in Monaco" should be directing them to the Monte Carlo (and a task counting one million dollars in chips) proves difficult for another team. A final stop at the MGM Grand has Wayne Newtown, who suffers the indignity of one team blanking on his name, directing the racers to the finish line—it’s at his house.