Gargoyles - Season 1, Episode 01: Awakening: Part 1
Trailer
It is an animation series that tells of a clan of heroic night creatures that decided to experiment to protect castles from dangers. These night creatures pledge to protect New York City as they did in Scotland a thousand years ago. Within a short period, these clans allied with humans to help protect the castles at night so that humans could protect their stone forms during the day.