Rare night footage reveals how tigers survive in vanishing grasslands.
Discover how modern cameras uncover the hidden behavior of big cats at a time when their populations are shrinking fast. This series reveals intimate predator lives in remarkable detail, including tigers filmed at night and the challenges they face in habitats near people. Sign up to see the kind of close observation that can change how you understand these animals.
Episode guide
7 episodes- New shows weeklyFresh documentaries land every week.
- Exclusive originalsAward-winning films you can’t stream anywhere else.
- Watch anywherePhone, tablet, web and TV — pick up where you left off.
- No commitmentNo contract. Cancel in a click.
Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like The Secret Lives Of Big Cats — in up to 4K, ad-free, on all your devices.
The Secret Lives Of Big Cats 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.