Dax Flame was only 15 when he became YouTube royalty - his channel was among the top 20 most subscribed in the early years of the site.

His success parachuted him into a Hollywood acting career. But 13 years later, his fortunes have changed - he's working as a waiter and trying to scrape together money just to get by.

We follow Dax as he tries to get back on track - and find out the answer to a mystery that has chased him around the internet for more than a decade. Are his videos "real" - or was he acting?

Video journalist: James Stewart

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