Having made it to the South China Sea all the teams have the finish line in their sights. But with 800km before they reach the chequered flag anything can happen.
Noel and Liz are worried about the wear the past 2,500 km have had on their MG, Andi has struggled with the long hours behind the wheel and Tinchy and Jordan are determined to prove themselves now they've got a new "classic" car - a Soviet era Jeep.
The teams travel along Vietnam's spectacular coastline and through its stunning paddy fields before making a final dash for the closing ceremony in Saigon, but the last day brings the brink of disaster for one unlucky team.