Batkid Defeats the Joker on 'GMA' (Video)

The five-year-old's parents say his crime-fighting has been a nice way to celebrate the end of his chemotherapy and beginning of the next chapter of his life. Just 10 days after he saved San Francisco, Batkid (aka 5-year-old Miles Scott) flew across the country to help the real Gotham, New York City, on Monday's Good Morning America. Batkid captured the attention of San Francisco, people across the country, who followed his escapades via a live stream, and even stars like real-life Batmen Christ...