Shark Week - Season 20 (2020)

A mega shark known as Submarine menaces passengers of a sinking boat in the shark infested waters off the coast of Africa. This documentary details from survivors stories the horrific actions while their fellow passengers were menaced by the huge great white shark known as Submarine. This debuted during Discovery Channel's Shark Week in 2014. A terrifying documentary.

A team of scientists research hammerheads in the Bahamas and Florida.

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The premise of the program is that sharks can be brought into a state of tonic immobility by flipping them on their back, and that this characteristic might explain how a supposed series of Great white shark killings occurred.

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