By popular demand an ENCORE showing has been added to The Big Four: Metallica, Slayer, Megadeth, Anthrax in-theatre event! For two nights only, metalheads around the world can experience history: On Tuesday, June 22 and now added June 24, Metallica, Slayer, Megadeth and Anthrax perform on one stage together, and through the wonders of satellite technology, you can experience this historic concert event, broadcast exclusively to select movie theaters nationwide. The Big Four: Metallica, Slayer, Megadeth, Anthrax, presented by NCM Fathom and BY Experience will feature nearly four hours of live performances and behind-the-scenes from the Sonisphere Festival in Sofia, Bulgaria. The historic concert event will be broadcast exclusively in select movie theaters on Tuesday, June 22, and again on Thursday, June 24, at 7:30 p.m. (local time). Don't miss this incredible opportunity to see this nearly four-hour concert event!