It's done by one of the top comic illustrators in the country, Tim Sale, who's also done pieces for DC comics and Marvel.
We had the chance to talk to him about how his work helps make Heroes different from the average network show.
This week, and next, some of that art is being auctioned off online.
One of the stars of the show, Greg Grunberg, convinced the network to do it.
Check this link for complete details on how you can take part:
http://www.nbc.com/Heroes/
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