Best friends from London face a roasting over their mood-enhancing coffee products.

The Dragons question the expansion plans of an escape room business run by two brothers.

A mum-of-two aims to go global with her subscription kids clothing offering.

Entrepreneurs pitch activity weekends for adults and vegan handbags with an X-rated twist.

An animal lover pitches a green solution to canine pollution.

A Scottish entrepreneur presents a pint-sized gadget that he hopes will be big business.

Entrepreneurs pitch online hypnobirthing platforms and a unique recycled building system.

An eco-entrepreneur pitches a carbon-offset trading app.

Featuring the inventors of a drumming training device and a culinary alcohol range.

Pitches include premium spiced rums, a nursing bra and a heatless hair-curling device.

A father and daughter demonstrate their airbag safety equipment.

A couple face a roasting over their projections for their vitamin-infused coffee.

Pitches include plantable children's books and an at-home private chef service.

Pitches include a premium whisky subscription business and a clever sand-removing powder.

A plucky entrepreneur pitches an idea for genetically personalised meal shakes.

Entrepreneurs pitch a music-sharing app and an ethical clothing verification platform.

A tech enthusiast pitches a clever way of monetising people's personal online data.

The Dragons are pitched waterless face oils and a fitness app aimed solely at women.

Featuring a plaque-detecting dental app and a range of afro and curly hair products.

Will the Dragons back a skin-care business focusing on the needs of NHS workers?

A husband and wife pitching their iced tea company find themselves in hot water.

Entrepreneurs come up with weird, wonderful ways to separate the Dragons from their cash.

A wily entrepreneur manages to walk away with a bigger investment than he had asked for.

A pitch for a brolly-dispensing machine sets off the first spat between the Dragons.

Some of the best products ever pitched, including a prototype pedal-powered aviation aid.