They dream of the way it used to be, but life has other plans...

So states the trailer below, as it depicts scenes fro the fourth season of Heroes and shows fans what these characters will be up against; specifically, a roving band of carnies led by Robert Knepper's Samuel.

Watch the preview after the jump, get excited for the September 21 premiere and discuss the show in our forum.

[video url="http://www.tvfanatic.com/videos/new-heroes-promo/" title="New Heroes Promo"] [/video]

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