was the seventeenth annual SummerSlam professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE). It took place on August 15, 2004 at the Air Canada Centre in Toronto, Ontario and featured talent from the Raw and SmackDown! brands.
The main match on the Raw brand was Chris Benoit versus Randy Orton for the World Heavyweight Championship, which Orton won by pinfall after performing an RKO. The predominant match on the SmackDown! brand was John "Bradshaw" Layfield (JBL) versus The Undertaker for the WWE Championship, which JBL won after Undertaker was disqualified. The featured matches on the undercard included Kurt Angle versus Eddie Guerrero and Triple H versus Eugene.