SummerSlam was a professional wrestling pay-per-view (PPV) and WWE Network event produced by WWE for their Raw and SmackDown brand divisions. It took place on August 21, 2021, at Allegiant Stadium in the Las Vegas suburb of Paradise, Nevada. It was the 34th event under the SummerSlam chronology and the first to take place on a Saturday since the 1992 event, although it was the first to air live on a Saturday. It was WWE's first event to air in theaters in the United States in addition to traditional PPV and the WWE Network.