A former panel beater hopes to seal a deal with the Dragons with his innovative nail gel product. An inventor from Dublin is looking to rinse the Dragons of some capital with his unique toilet-flushing gadget for kids, and a dapper businessman with a parking app stuns the Den with his company valuation. Will his technology impress the Dragons enough to secure investment or will they put the brakes on a deal?

Dragons' Den: Pitches to Riches returns to relive extraordinary encounters between brave entrepreneurs and those formidable Dragon investors. Den expert Richard Osman guides us through the most outstanding, shocking and emotional pitches of the last two years.

Richard catches up Caner Velli, who dazzled the Dragons with his liquid repelling product, we see the pun toting duo from a pork scratching company in their new HQ and Peter Jones visits the Dhillon family, who left the Den with a trio of Dragon investors in their boot cleaning brush, but have they all gone from pitch to rich?