Joe Lycett narrates a journey through the most memorable and jaw-dropping pitches.

Syrian refugees Razan and Raghid Sandouk pitch their alternative to Cypriot halloumi.

Hoping they are the right fit for the Dragons are a duo with an ergonomic underwear range.

An entrepreneur hopes to roll out her raw vegan treats to the masses.

An inventor tries to recruit the Dragons for his war on household draughts.

A colourful hair entrepreneur offers one Dragon a new look.

Two low-alcohol brewers hope the Dragons will stump up for the ultimate investment.

What happened next for some of the most memorable entrepreneurs to have survived the Den.

An eco-friendly gift wrap business gets a helping hand from Santa.

A shepherd and his business partner pitch their field-to-fork lamb delivery boxes.

Featuring a Scottish sauerkraut enthusiast who wants to balance the Dragons' gut bacteria.

Twin drinks entrepreneurs set up a bar in the Den.

Ideas include a diet plan app and a device that helps cyclists rescue slipped chains.

An eco-friendly entrepreneur has to suck up feedback on his innovative straw alternative.

A pair of porridge entrepreneurs invite the Dragons to a teddy bears' picnic with a twist.

A spiced rum entrepreneur gets the party started with a rock 'n' roll makeover.

A fruity water entrepreneur hopes the Dragons will develop a crush on his product.

A trio of cycling enthusiasts try to get a Dragon on board their bike taxi business.

A chef is hoping to tickle the Dragons' taste buds with his bespoke pastry business.

A husband-and-wife team hope to toast success with a whisky-themed idea.

What happened after some memorable entrepreneurs exited the Den's doors?

One inventor hopes his Christmas tree stand will become an essential decorating accessory.

A Texas-born entrepreneur hopes to dazzle the Dragons with the quality of her condiments.

An entrepreneur looks to get the green light for her green tea business.

A hairstylist attempts to avoid knotty problems as the investors scrutinise her pitch.