Batkid Saves 'Gotham City,' Thousands Cheers

Make-a-Wish Foundation helped transform San Francisco into Gotham for a 5-year-old boy.
3:00 | 11/16/13

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Transcript for Batkid Saves 'Gotham City,' Thousands Cheers
Finally tonight, a hero is being hailed as the savior of a city. Everything seemed to be going wrong today in a place called gotham. A damsel in distress strapped to tracks, bank full of innocent citizens about to be robbed, a beloved team mascot, kidnapped a. Ban donkidnapped -- abandoned. A city wondered who could help fight this crime. Breaking news from the san francisco hall of justice. Please, caped crusader, we need you and bring the bat kid. The was an undertaking fit for a real hero. Luckily he was already on the way. 5-year-old miles scott, currently in remission after battling leukemia. He always wanted to battle the villains of gotham city as batman. Because he is my favorite super hero. Miles used to watch the classics with his dad nick. Started watching adam west "batman" and that's how he got started on it. For this extraordinary day, the make-a-wish foundation addition helped bring his dream to life. Plenty of super hero wishes, make a wish has happened over the years. Started planning to take over san francisco in march. Hoping to find 200 volunteers. His wish went viral becoming a social media sensation. His exploits documented throughout the day on instagram. All around the city, roaring crowds and cheering spectators put any parade to shame. It is a good thing because they were in need of serious help today. With criminals, the riddler and the penguin wreaking havoc. While his little brother watched on as robin. Miles, aka, bat kid raced all around town, accompanied by a volunteer actor dressed up as the elder caped crusader. Bat kid saved the damsel in distress, the woman with a suspicious device tied to her back. He stopped the riddler from robbing a bank and handed hem over to the cops. This is all part of the plan! He saved the san francisco giants' mascot from the evil hands of the penguin. With the criminals in custody, the feds even presented an indictment. Those villains facing possibility of serious time. Of course, a bust of etchpgss -- proportions. Way to go, miles, way to save gotham. Bat kid saves the city! The mayor presented our hero with the key to the city before a joyful crowd of thousands. The streets of our city are safer because of you! Made of chocolate of course, a treat for a champion. All in a day's work for one superheroes, who left a lasting

This transcript has been automatically generated and may not be 100% accurate.

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