In the fourth episode of the fifth series, the entrepreneurs present the following ideas to the dragons:
Recycling products.
Easily carried spare shoes for nights out.
Film production of a vanity-published book.
Milk-fruit smoothies.
Teach yourself to be a DJ.
Car cleaning without water.
Car boot tidy for groceries.
Children's light switches.
Cushion that shades you while you sunbathe.
