Entrepreneurs Deborah Meaden, Peter Jones, Touker Suleyman, Tej Lalvani and Jenny Campbell assess more unusual business ideas, including a shocking display from the owner of a live anatomy dissection business and a new model of tuk-tuk that turns out... (more) to have a fatal flaw. The final presentation is for a singer-for-hire scheme, which prompts the panel to show off their own musical talents.