'American Horror Story' Season 2 Trailer

The official video trailer for the highly anticipated second season of the horror television show "American Horror Story" may just be under 20 seconds long, but it's still enough to leave fans spooked and wanting more. Check it out:

This season of "American Horror Story" is set in an insane asylum, and the characters from the first season will return to take on completely different roles. Although not featured in the trailer, watch out for Maroon 5 front man Adam Levine, who will guest star.

"American Horror Story: Asylum" premieres in October on FOX.