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The idea for the four year old pigchild was dreamt up in a London pub by three out of work mates in the 90s. She\u2019s now the inspiration for theme parks across the world, and they are worth millions.\n \nAfter the prime minister declared his love for her in front of the UK\u2019s leading business people, Mark Coles explores how Peppa Pig has become one the most recognisable characters on television.

Producers: Ben Crighton and Chris Flynn