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The Fanboy Expo is back and bigger than ever. Among the endless comics, toys, costumes and celebrities, there's no telling what you'll find. Fanboy has moved to the Knoxville Convention Center this year to allow more space for this continually growing phenomenon.

There's so much to see and do, but arguably the biggest draw is the celebrities. Some of the weekend's guests include Jon Heder (Napoleon Dynamite), Sean Astin (Lord Of The Rings/Rudy) and even a live Q/A with Leonard Nimoy, a.k.a. Mr. Spock, via Skype.

The event runs through Sunday. For more information on activities and special guest appearances, check out www.fanboyexpo.com.

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