Dragons' Den is back with a positively festive feel. But seasonal goodwill is no guarantee of success for a new batch of entrepreneurs facing fiery multimillionaires Sara Davies, Touker Suleyman, Deborah Meaden, Tej Lalvani and Peter Jones.

An eco-friendly gift wrap business gets a helping hand from Santa, while a sock entrepreneur embodies the holiday spirit with his buy-one give-one business model. And a pair of candle entrepreneurs try to convince the Dragons that their products can spark some serious profit. But while all the ho-ho-hopefuls dream of Dragon cash for Christmas, these investors don't give the gift of investment unless a business has real sparkle.