It's Lord Sugar's tenth year in the boardroom, and summoned there to meet the man himself, the candidates are told that this year the challenge they face will be bigger than ever. To prove his point, Lord Sugar reveals a surprising twist, one which will see the fight for his £250,000 investment become the most ferocious yet.

Then it's time to reveal the first task - ten years of selling in just one day. Waiting for them at Leadenhall Market are products from opening tasks throughout the last decade. From coffee and sausages to flowers and floaty fish, the teams have one day to seek out sales and take as much money as possible.

Split into boys v girls, the teams scour the capital - from Greenwich to London Zoo - trying to find buyers for their products, and adding value to their items to maximise mark-ups. Bangers are turned into gourmet hot dogs and one candidate comes up with a novel way of squeezing cash from lemons.

In the boardroom, the candidates are left in no doubt as to just how unforgiving the process is, and someone is the first to hear the words 'You're fired!'. Show less