Former Dragon Theo Paphitis returns to the panel to stand in for Touker Suleyman, joining Sara Davies, Peter Jones, Deborah Meaden and Tej Lalvani in assessing more business ideas. This week's entrepreneurs pitch their ideas for a diet app, a clothes-mending workshop, a gadget for repairing bicycle chains, and a range of dog treats.

There’s an explosive start to a pitch when a father and daughter duo demonstrate their airbag safety equipment, and a couple pitch their anti-roll changing mat for babies.