Fin cameras reveal shark behavior from inside their hidden world.
Join filmmaker Andy Casagrande behind the scenes of shark filmmaking as he gets startlingly close to great whites, hammerheads, sand tigers, and tiger sharks. Using advanced cameras, including custom-built rigs, the series captures how these animals hunt, move, and conserve energy while connecting each encounter to active shark research. Sign up to see rare footage that turns familiar predators into complex subjects of discovery.
Episode guide
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Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like The Secret Lives of Sharks — in up to 4K, ad-free, on all your devices.
The Secret Lives of Sharks is a Curiosity Original, exclusive to Curiosity Stream.
Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.
Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.

