Uploaded July 2026 | Updated September 2026, 2 weeks ago

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If the sight of a shark sparks a primal sense of fear in you today, just imagine what it would be like if these ancient sharks were still swimming around! From the Megalodon to the Leviathan, discover the scale of ancient sharks. #SharkWeek

#SharkWeek returns July 26th on Discovery!

#SharkWeek #Discovery

Stream Full Episodes of Shark Week:
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About Shark Week:
From Dawn of the Monster Mako to The Haunting of Shark Tower, you can stream all Shark Week shows right now.

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How BIG Were Megalodon Sharks? | Shark Week | Discovery
youtu.be/8jiuVPaNj6Y