Peter Jones, Deborah Meaden, Touker Suleyman, Jenny Campbell and Tej Lalvani take their seats to face the latest batch of entrepreneurs who dare to enter the Den. This week, an athletic entrepreneur hopes he will be in the running for a cash boost for his protein shaker bottle. An engineer from Essex is looking for investment in his home sensor system for the elderly. Finally an Antipodean businesswoman hopes to tempt the Dragons into investing in her gluten-free cakes business. But will anyone walk away with the hoped-for cash?