Miles Scott, dressed as Batkid, right, walks with Batman before saving a damsel in distress in San Francisco, Friday, Nov. 15, 2013
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'Batkid' Miles Scott, gets to be a superhero for the day

18 November 2013 Last updated at 15:33 GMT

He's whizzed around town in his batmobile, he's saved a woman's life and even stopped a robbery - he is Batkid!

Miles Scott is five years old and his biggest dream is to be his favourite superhero for day.

In real life Miles has been fighting a form of cancer, called leukaemia, since he was just 18 months old.

His parents were so proud of him for being so brave they wanted to make one of his dreams come true.