6000-LB. Shark

America's Greatest Animals takes us across North America on a revelatory mission: which of the continent's landmark creatures deserve to make the list?

Two teams of experts go to extraordinary lengths to take shark science into the wild as they investigate two of the most iconic shark superpowers - speed and bite force.

Marine biologist Kori Garza and underwater cinematographer Andy Casagrande journey to French Polynesia to track Kamakai, one of the largest tiger sharks on record.

Get as up close and personal with sharks as you could ever dream. As a two-time Emmy Award winning, wildlife cinematographer and on-air talent for Discovery Channel's Shark Week, Andy Brandy Casagrande is helping revolutionize the way the world sees the ocean's top predators.

In the heart of Gorongosa National Park, Mozambique, the waters of Lake Urema explode with the thrashing of a giant crocodile tail. Gorongosa was once known as the place where Noah left his ark: 1,500 square miles of lush floodplains in central Mozambique, packed with wild animals. All around, enormous buffalo, soaring fish eagles, and countless antelopes roam freely. But on closer look, something strange is going on. Fifteen years of civil war has taken a heavy toll and many species have been almost completely wiped out. All the usual top predators and prey are virtually missing, except for one - giant crocodiles and thousands of them. Discover what is being done to bring this African oasis back to its former glory, including perhaps the most ambitious restoration effort ever attempted, with elephants, hippos and scores of zebra, wildebeest, impala and buffalo, being relocated into the park.

The scientific community is divided as to whether dolphins or whales will deliberately save a person from a shark attack. But the people who have lived through these terrifying encounters don’t doubt what happened.

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.

People have captured a record number of shark encounters on camera, from a hilarious moment when a shark slaps a fisherman in the face to an intense 10 minutes when a great white stalks a kayaker ... these are the craziest moments when sharks strike back.

Fathom Events and Discovery Channel are partnering to bring a premiere event, Discovery's Shark Week at the Movies, to select movie theatres for a one-night event on July 18. America's favorite week of television, "Shark Week," makes waves in movie theaters nationwide for a one-night event this summer. The exclusive event features an episode from 2016, "Return of the Monster Mako" and a special episode from 2017, "Return to Isle of Jaws" ahead of its television debut on Discovery Channel.