overview : A look back over the highs and lows experienced by the hundreds of entrepreneurs who have entered the Den over the last nine series, examining the key ingredients required for a successful pitch.

First Air Date : Sep 21, 2011

Last Air Date : Oct 12, 2011

Runtime : 1h 0m

Episodes : 4

Seasons : 1

Genre : Documentary,

Companies :

Countries : GB

Keywords : invention, entrepreneur, investment