
The programming has been hosted by notable personalities from other Discovery series. Six million 3D Pulfrich glasses were distributed to viewers in the United States and Canada for an episode featuring an extinct giant shark, which had 3D segments. In 2000, Discovery Channel aired Shark Week Uncaged presented by famous zoologist Nigel Marven as a host. Due to the success of the programming block, Discovery decided to continue it. Other shows included Sharks: Predators or Prey, The Shark Takes a Siesta, and Sharks of a Different Color.

The first Shark Week premiered in July 1988, with the first show to air being Caged in Fear. Some episodes are free on subscription-based Hulu and Discovery+. Episodes are also available for purchase on services like Google Play Movies & TV/ YouTube, Amazon Video, and iTunes. Broadcast in over 72 countries, Shark Week is promoted heavily via social networks like Facebook and Twitter. Since 2010, it has been the longest-running cable television programming event in history.


Over time, it grew in popularity and became a hit on the Discovery Channel. Featured annually, in July or early August, it was originally devoted to conservation efforts and correcting misconceptions about sharks. Shark Week originally premiered on July 17, 1988.
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Shark Week is an annual, week long TV programming block at the Discovery Channel, which features shark-based programming. Airs annually for an entire week in summer
