Beneath Yellowstone's beauty, scientists uncover mammoths, dinosaurs, and a restless supervolcano.
This season expands the scientific exploration of Greater Yellowstone, from mammoth excavations and the first Americans to triceratops fossils and the shifting path of the volcanic hotspot below. Each episode follows evidence, debate, and discovery across deep time, revealing why this landscape still shapes how scientists understand extinction, survival, and Earth's changing forces.
Episode guide
3 episodesLove Ancient Yellowstone (Season 2)? It’s just the start.
Join now to unlock the whole library — thousands of award-winning documentaries beyond Ancient Yellowstone (Season 2), from the deep ocean to deep space.
Trending Now
- 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.
Pick the plan that’s right for you.
Flexible plans, no contracts.
Thousands of documentaries across nature, history, space, and science.
- Watch in 4K on all your devices
- Download and watch offline
- Stream ad-free — cancel anytime
Thousands of documentaries across nature, history, space, and science.
- Up to 4K
- Offline downloads
- Ad-free
Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like Ancient Yellowstone (Season 2) — in up to 4K, ad-free, on all your devices.
Ancient Yellowstone (Season 2) is a Curiosity Original, exclusive to Curiosity Stream. Plans start at $4.17/month.
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.