Dragons' Den (2006)

Season 4: Episode 16

A diaper service that makes sure nothing goes to waste; a family who hopes a Dragon heavyweight will help them mass-market their new scale; and a boating business that needs to reel in an investment. Plus, a mailbox pitch goes postal. Pitches include: Happy Nappy Diaper Service, Golf Unleashed, Sydenex, Quantum Scales, Posilight, Models & Moguls, Logo Locs, The Zingy.