An Irish inventor plans to scoop up some cash with his quirky pet products, and a pair of optometrists hope the Dragons will see a bright future in their blue-light filtering products. A schoolteacher tempts the Dragons’ taste buds as well as their pockets with her low-sugar children’s jams, and an eco-entrepreneur pitches a carbon-offset trading app, but with unclear business projections, will he plant the seeds of doubt within the Dragons? Show less