Dragons' Den is back in business as multimillionaire investors Deborah Meaden, Peter Jones, Touker Suleyman, Tej Lalvani and Jenny Campbell take their seats.

A former bricklayer is hoping his mortar board invention will help him to build a lucrative relationship with a Dragon, a mother of two enters the Den with a children's tracker device, and an entrepreneur pitches crisps inspired by astronauts. Finally, a 25-year-old brings a Paralympian to the Den to demo her product designed for wheelchair users. But will it be enough to win her an investment? Show less