On this show, Sam from Bristol showcases his money-saving, food-saving solution; Ella from Essex has an eye-popping 'revolution' in ladies lingerie; and Peter - a product designer from London - demonstrates an innovative and colourful multi-use product.

On this episode, what will the shoppers think of Marni and Ali's solution for tackling the endless British rain? Can Oscar use his French charm to sell his new take on an established product? And will Sam from Essex light up the room with his invention? Most importantly, will those lights be green?