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?

Steve and Sue from Somerset demonstrate their product to help kids during car journeys; Tim from Dorset has a pocket-sized product for male grooming; and Andrew - a designer from Sussex - demonstrates his nifty, reusable product which also helps the environment.