The Amazing Race welcomes back previous teams who came close to victory, but have 'Unfinished Business'.

The remaining teams continue in a race around the world for one million dollars.

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 remaining teams continue racing, as they move on to a new set of tasks.

The remaining Unfinished Business teams continue in their second bid to win The Amazing Race.

The seven remaining teams depart from the Fountain of Joy in Kolkata, India for the seventh leg of the race.

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 six remaining teams depart the Villa Trap in Salzburg, Austria, and continue their race around the world for one million dollars.

The five remaining teams depart from the Moos Restaurant at the base of the Alps in Zermatt, Switzerland on the tenth leg of The Amazing Race: Unfinished Business.

In a special two-hour final of The Amazing Race: Unfinished Business, four teams depart from the 200-year-old Swiss Cabin below the notorious Matterhorn in Zermatt, Switzerland. After a battle to qualify for the final leg, teams will battle it out for the million dollar prize and the winners will be announced!

In a special two-hour final of The Amazing Race: Unfinished Business, four teams depart from the 200-year-old Swiss Cabin below the notorious Matterhorn in Zermatt, Switzerland. After a battle to qualify for the final leg, teams will battle it out for the million dollar prize and the winners will be announced!