Shark Week, cable's longest running programming event, celebrates 25 years on August 12, kicking off at 9 p.m. ET on Discovery Channel. Among the programming is the search for the great white sharks of Seal Island, South Africa ... and one in particular, the 14-foot Colossus in "Air Jaws Apocalypse." Also, relive some of the scariest, funniest and most memorable moments of the past 24 years in "Shark Week's 25 Best Bites." Then,
Adam Savage ...