Britain's Next Big Thing

High street store buyers ask members of the public to find the next bestselling product. Fledgling suppliers pitch their ideas at a famous department store in just three minutes.

High street store buyers ask members of the public to provide them with the next bestselling product. A leading pharmacy chain opens its doors to just ten lucky hopefuls.

High street store buyers ask members of the public to provide them with the next bestselling product. This time it's the turn of a home retail giant to host its open day.

High street store buyers ask members of the public to provide them with the next bestselling product. The fledgling suppliers face price negotiations and crunch design meetings.

High street store buyers ask members of the public to provide them with the next bestselling product. The suppliers try to get to grips with stock buying and manufacturing costs.

High street store buyers ask members of the public to provide them with the next bestselling products. Buyer Michelle Alger shows signs of losing patience with the designers.

High street store buyers ask members of the public to provide them with the next bestselling products. In the last episode, we find out what has happened to the retail rookies.