Trade Your Way to the USA is back for series three and it's bigger and bolder than ever as Saira Khan leads the search for Britain's best young traders.

Heads or Tails and New to the Business go head-to-head to qualify for the all-important semi-finals. Their challenge is to sell as many fancy-dress masks as they can at a children's festival on London's Southbank. It's loud, chaotic and competitive as each team pulls out every trick in the trading book.

But who will win the day and stand a chance of trading their way to the grand final in the USA? Show less