An 18-year-old seeks to impress the Dragons with his garden shed invention. There is also a canine member of Team GB and a rip-roaring entrance from a Kent-based gaming entrepreneur. Also, a couple of likely lads showcase their blooming marvellous greetings product and the Dragons get a taste of Colombia's finest cacao.

However, valuation and contracts prove to be a sticking point - will anyone walk away with a deal? Show less