Armageddon (2005) was the sixth Armageddon PPV. It was presented by Microsoft's XBox 360, and took place on December 18, 2005 at the Dunkin' Donuts Center in Providence, Rhode Island and was a SmackDown! brand-exclusive event. The main event was a Hell in a Cell match between Randy Orton and The Undertaker. One of the predominant matches on the card was an Interpromotional tag team match between WWE Tag Team Champions Batista and Rey Mysterio and World Tag Team Champions Big Show and Kane. Another primary match on the undercard was Booker T versus Chris Benoit in the fourth match of their "Best of 7" series for the vacant WWE United States Championship..