More plucky entrepreneurs prepare to enter the Den, but it won’t be easy to impress feisty multimillionaires Peter Jones, Deborah Meaden, Tej Lalvani, Sara Davies and former Dragon Theo Paphitis, who is standing in for Touker Suleyman. Those ready to brave the heat of the Den include a Scottish sauerkraut enthusiast who wants to balance the Dragons’ gut bacteria as well as boosting the health of her business. The investors also listen out for the opportunities offered by a new breed of phone alarm app, and one entrepreneur thinks he has the solution to post-festival waste.