SHARK WEEK, television's longest-running event takes a bite out of summer for its 30th anniversary, premiering Sunday July 22 at 7:00PM ET/PT and continuing through Sunday, July 29. After three decades and hundreds of shows, SHARK WEEK 2018 celebrates this milestone with an all-star lineup of athletes and celebrities including Shaquille O'Neal, Ronda Rousey, Aaron Rodgers, Rob Gronkowski, Lindsey Vonn, Mark Cuban, Barbara Corcoran, Kevin O'Leary, Daymond John, Guy Fieri and Bear Grylls. In addition, SHARK WEEK's team of renowned scientists deliver all-new groundbreaking shark stories incorporating innovative research technology to reveal compelling insight into the mysterious world of sharks. Finally, SHARK WEEK 2018 will feature the most hours of shark programming ever on Discovery Channel with over twenty hours of celebrity surprises and jaws-dropping shark stories.