Overview: Technical wizards Chris Barnardo and Richard Blakesley from Hertfordshire have opted for the traditional method of Dragon-slaying-magic. Will their remote control in the shape of a magic wand have the power to turn a good idea into gold? Intrepid business partners Letitia Valentine and Alex Lewis invented a new version of the foil survival blanket after a cycling trip to the Brecon Beacons. They've handled tough conditions before - now they have to survive the den. Edinburgh duo Sandy Maxwell-Forbes and Sarah McClean have a helping paw from their dogs, Molly and Womble, as they seek investment in their outdoor dog creche. And Alastair Heelas hopes to impress the multi-millionaires with his inflatable snow globe. Will it attract a flurry of offers or will he face a frosty reception?