Discovery Channel’s Shark Week Schedule Summer’s most-anticipated programming event, Discovery Channel’s Shark Week, returns for its historic 34th year on Sunday, July 24 at 8:00 p.m. ET/PT with Dwayne “The Rock” Johnson as its first Master of Ceremonies. Fans can expect 25 adrenaline-inducing original episodes that deliver never-seen footage of walking sharks, awe-inspiring breaches and more shocking predations captured on-camera by dedicated science and …