Dragons' Den is back in business for its 16th series as Peter Jones, Deborah Meaden, Touker Suleyman, Jenny Campbell and Tej Lalvani take their seats to face a fresh batch of entrepreneurs hungry to strike a deal.

As the series continues four more businesses face the toughest pitch of their lives. Tonight a doctor who has swapped meds for models tries to stitch up an investment with her innovative convertible clothing. A team of university friends brush Peter Jones up the wrong way with their online art platform, and two hairdressers hope the Dragons will want a cut of their colour wash shampoo business, but will they walk away with an investment? Show less