The Make-A-Wish Foundation and the city of San Francisco gave 5-year-old Miles Scott a day to be Batkid.

Miles, accompanied on Friday's adventures by an adult Batman impersonator, was diagnosed with leukemia when he was 18 months old and is now in remission.

Miles thought he was in San Francisco just to get a Batman costume so he could dress like his favorite superhero, KGO-TV reported.

Crowds gathered as they waited for Batkid to arrive at a former bank vault.

The first caper for Batkid was to rescue a damsel in distress.

The woman hugged Batkid after he and his partner rescued her and disabled a plastic replica bomb.

The heroes then took off to catch the Riddler as he robbed a downtown bank.

Batkid saved the San Francisco Giants mascot, who was kidnapped by the Penguin, at AT&T Park.

Mayor Ed Lee (left) presented Batkid with a key to the city at a rally outside City Hall.

Batkid waved to the crowd from Batman's shoulders.