The Discovery Channel's Shark Week, first broadcast on July 17, 1987, is a weeklong series of feature television programs dedicated to sharks. Held annually, normally in July or August, Shark Week was originally developed to raise awareness and respect for sharks. It is the longest-running cable television programming event in history. Now broadcast in over 72 countries, Shark Week is promoted heavily via social networks like Facebook and Twitter.

Johnny Knoxville sends Steve-O, Chris Pontius, and new Jackass cast members on a Shark Week mission for the ages. They'll dial up a series of shark stunts that test their bravery and threshold of pain as they put common shark myths to the test.

Experts search for a big mako terrorizing the shores of Southern California to determine if it could be the spawn of a legendary shark, The Beast.

Dr. Craig O'Connell and his team willfully ignite shark-feeding frenzies to uncover whether these violent and chaotic events trigger mating behavior. The results could be the key to ensuring the survival of these crucial apex species.

Investigating why young bull sharks travel up the Serena River and how they avoid predation.

The Impractical Jokers are the kings of hijinx and fearlessness in the face of public humiliation, but see what happens when they set out to dispel the myth that sharks are maneating beasts the only way they know how -- with extreme challenges and dares.

Dr. Tiara Moore has discovered bull sharks thriving in polluted, algae-filled lagoons. Teaming up with Dr. Craig O'Connell, they study why pregnant females still migrate there and how their pups survive in a seemingly hostile environment.

Legendary boxer Mike Tyson goes head to head underwater with the most unlikely training partner: a massive shark. He tries to score a TKO, all in the name of research.

Dr. Craig O'Connell and Aliah Banchik deploy state-of-the-art tech as they try to capture the thresher's deadly tail whip on film in the Philippines.

Shark scientist Dr. Craig O'Connell, and Réunion's CRA Shark Protection Program, investigates the ongoing shark crisis that is threatening this former island paradise.