Getting your numbers right is often the key to success in the Den. This week a succession of pairs and partners hope that two heads are better than one when convincing the multimillionaire investors to part with their cash.

Two Manchester-based business partners hope their unusual garden pods will create a stir, two revolutionaries have a plan to revitalise the UK housing market, and two of the youngest entrepreneurs ever to face the Dragons think their record label can take on the giants of the industry.

Elsewhere, a husband and wife team think they have designed a must-have accessory for women, and an entrepreneur from Glasgow is on a crusade to turn the Scottish national dish into a fast food snack. Show less