Backlash (2008) was the tenth annual Backlash professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE). It took place on April 27, 2008 at the 1st Mariner Arena in Baltimore, Maryland and featured talent from the Raw, SmackDown!, and ECW brands. The official theme song was "All Summer Long" by Kid Rock. The tagline for the event is "Every Action Deserves a Fierce and Aggressive Reaction."
The main match on the Raw brand was a Fatal Four-Way Elimination match for the WWE Championship between champion Randy Orton, Triple H, John Cena, and John "Bradshaw" Layfield (JBL). The predominant match on the SmackDown! brand was The Undertaker versus Edge for the World Heavyweight Championship The primary match on the ECW brand was Kane versus Chavo Guerrero for the ECW Championship. The featured matches on the undercard included Batista versus Shawn Michaels and Big Show versus The Great Khali.