This season, the multi Emmy Award-winning series will be broadcast in HD for the first time as the Racers travel 40,000 miles through five continents and 23 cities. Teams begin their journey around the globe from the second-windiest place on the planet, and travel to such picturesque locations as Sydney, Australia, where they find themselves swimming with sharks; Liechtenstein, where they must measure the length of the entire country while riding a motorized bicycle; and Tokyo, Japan, where they must endure the freezing waters from Mount Fuji as part of a spiritual ritual. The Amazing Race: Unfinished Business features fan favorites from previous seasons, including the cowboys, former NFL cheerleaders, the Harlem Globetrotters and the Goths.
Eleven former Teams who fell short of winning the $1 million prize during their first Race around the globe will return for another shot.
Teams dressed as kangaroos continue through Australia where one Racer reverts to old habits as tempers start to flare, and another Team breaks down in tears from utter exhaustion.
While in Japan, one team's hopes are shattered after a car crash jolts them to the back of the pack, and Racers get down and dirty in a pile of frigid mud.
The nine remaining teams depart from Commodore Perry's Landing in Kurihama, Japan and travel to their next destination in a race around the world for one million dollars.
The pressure builds when a prehistoric Roadblock pushes one Racer over the edge and a Double U-turn causes panic among the teams as they race to avoid elimination.
Overwhelmed by a swarming sea of people on the congested streets of India, one team narrowly dodges a traffic collision while another's clumsiness threatens to spoil their chances of acing the Detour.
Overwhelmed by the crowded streets of India, one team makes a costly blunder while another Racer takes a desperate plunge.
Confronted by a psychological Detour, teams try to avoid making a "Freudian slip" in the slick streets of Austria, and a hefty meal proves to be too big for some teams' stomachs.
The stress of the Race begins to take its toll when a Double U-Turn is revealed, and one Team struggles to consume a local delicacy while others become acquainted with Swiss hospitality.
Teams brave bone-chilling temperatures as they come face-to-face with the world famous Matterhorn, and tempers flare in the most intense argument of the season.
The final four Teams mix it up in Brazil where Racers cry out in pain during a hairy situation as this season comes down to a race to the finish line when one Team will be crowned the winners and receive the 1 million dollar prize.
The final four teams race through Rio de Janeiro before heading to the finish line in Miami as the season concludes.