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.
Modern Marvels
Wallace & Gromit's World of Invention
Faster! Humanity's Quest to Save Time
David Jason's Great British Inventions
The Genius of Invention
The Secret Life of Machines
RISING
James May's 20th Century
Histoire des Inventions
The Mega-Brands That Built America
Japan's Top Inventions
Inventions That Shook the World
Ancient Inventions
Peter Jones Meets
FRONTRUNNERS
Made in Britain
Dragons' Den: On Tour