The Rockstar Energy Mayhem Festival  took place at SuperPages.com Center in Dallas, TX on July 25, 2008. Featured bands included Slipknot, Disturbed, Mastodon, Underoath, Suicide Silence and 36 Crazyfists.

Slipknot

Disturbed

Mastodon

Underoath

Suicide Silence

36 Crazyfists

Metal Mulisha