After reading about the villains set to infiltrate Heroes this season, let's hear from one of the men set on stopping them.

In the following video, Masi Oka previews the upcoming chapter, mostly focusing on Hiro's new nemesis, played by actress Brea Grant. Take a look and a listen:

[youtube]http://www.youtube.com/watch?v=PImgJ0AL80Y&eurl=/videos/season-3-preview/[/youtube]

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.