Where To Stream Dragons' Den Season 12 Episode 8

Inventions galore in the Den - Kelly gets an unusual phone call from outside the Den, a mother-and-daughter duo pitch their children's waterproof products and a trio of break dancers introduce the Dragons to some innovative earphones. Aside from the fun of being serenaded by a group of princesses and having a go on a modern day penny-farthing, will the Dragons feel the need to invest?