Episode 1
World's Biggest Tiger Shark?
44m
Marine biologist Kori Garza and Emmy Award-winning underwater cinematographer Andy Casagrande capture hunting tactics between two tiger sharks.
Where to watch Sharkfest
TV series
Sharkfest
20189 seasons10.0 / 10
Sharkfest shines a light on the science of sharks, giving audiences a better understanding of the ocean’s most misunderstood predator but also features their true beauty, power and mystery.
Availability
Not streaming in United States
Checked Jul 25, 2026
Sharkfest premiered July 1, 2018. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
Sharkfest shines a light on the science of sharks, giving audiences a better understanding of the ocean’s most misunderstood predator but also features their true beauty, power and mystery.
Season 3 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Sharks vs. Dolphins: Blood Battle
Sharks and Dolphins have shared the ocean for millennia, but scientists have only just begun to understand the complex relationship between sharks and dolphins.
Where to watch SharkfestEpisode 3
Sharkcano
World-renowned shark scientist Dr. Michael Heithaus is on a mission to reveal the mysterious connection between sharks and volcanoes.
Where to watch SharkfestEpisode 4
Secrets of the Bull Shark
Secrets of the Bull Shark unravels the mystery of these dangerous giants: how they migrate and how they hunt.
Where to watch SharkfestEpisode 5
Most Wanted Sharks
In Most Wanted Sharks, marine biologist and shark-suit inventor Jeremiah Sullivan dives into the stories of the most sensational shark all-stars.
Where to watch SharkfestEpisode 6
50 Shades of Sharks
50 Shades of Sharks reveals facets of sharks that are rarely chronicled; they’re fragile, delicate, ingenious, collaborative and even clumsy at times.
Where to watch SharkfestEpisode 7
Raging Bull Shark
Bull sharks are going head to head with the more fearsome great white and tiger sharks to prove they’re the new champion of the chomp.
Where to watch SharkfestEpisode 8
World's Biggest Great White? Expedition Hawaii
Divers in Hawaii get the shock of their lives when what’s possibly the largest great white shark in the world appears from the deep.
Where to watch SharkfestEpisode 9
Sharks of the Bermuda Triangle
Marine biologist Dr. Austin Gallagher is on a mission to find the secret breeding grounds of tiger sharks in the Bermuda Triangle.
Where to watch SharkfestEpisode 10
Shark vs. Whale
A routine drone survey turns deadly when Ryan Johnson, a marine biologist, films a humpback whale being attacked and drowned by a great white shark.
Where to watch SharkfestEpisode 11
What the Shark?
What the Shark? takes a look at a side of sharks rarely seen and dives deep into the environments where adaptation is critical to survival.
Where to watch SharkfestEpisode 12
Mega Hammerhead: Ultimate Predator
Dr. Neil Hammerschlag and his team of researchers are on a quest to learn more about this mysterious shark and search for the most elusive of them all -- the massive Great Hammerhead.
Where to watch SharkfestEpisode 13
United Sharks of America: Shark Bite Capitals
United Sharks of America showcases breathtaking shark behavior, covering a wide variety of shark species that call the United States coastline home.
Where to watch SharkfestEpisode 14
Shark vs. Surfer
finale
Shark vs. Surfer visits shark-infested surf spots around the world to relive some of the most harrowing shark and surfer stories.
Where to watch SharkfestEpisode information updated Jul 25, 2026
Available now in United States
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More about Sharkfest
Production details
- Status
- Returning Series
- Series type
- Scripted
- Episodes
- 95
- Original language
- English
Networks & production
National GeographicUnited States