Episode 4
More apprehensive entrepreneurs prime themselves for a nerve-wracking pitch and an intimidating interrogation - all with the aim of securing an investment from the multi millionaire investors.
Trying to prove he deserves their backing is Brian James from Essex, aiming to do for men's underpants what the push-up has done for women's bras. Rookie racing driver Robert Hall thinks he has what it takes to be the next Lewis Hamilton - and he has an unusual business proposition for the Dragons.
There is an award-winning pram accessory to make shopping with a pushchair easier, while Liverpudlian Mark Huyton has invented a rain beating motorcycle helmet with an in-built windscreen wiper. Or will the Dragons prefer to tie up a deal with Andrew Harsley with his a new design of cable tie?
Finally, attempting not to leave a bad smell in the Den are Sue Bell and Ziggy the dog. Can they leave with the fifty thousand pounds they need, or will the Dragons turn their noses up at their patented product for picking up dog poo?
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The Big Fat Quiz
The Big Fat Quiz is an annual British television programme broadcast on the last Sunday of the year on Channel 4. Essentially, the show is a comedy panel show in the style of a pub quiz. Three teams, of two celebrities each, are asked questions relating to the events of the year just gone by, which they write answers to on an electronic board in front of them. At the end of each round, they then display their answers, scoring a point for each correct one. The first edition was broadcast in December 2004. There has been another at the end of each year since, as well as a special edition in November 2007 for Channel 4's 25th anniversary celebrations.