Currently available on 2 streaming services.

Ancient Yellowstone - watch online: stream, buy or rent

Currently you are able to watch "Ancient Yellowstone" streaming on fuboTV, Curiosity Stream.

Where can I watch Ancient Yellowstone for free?

There are no options to watch Ancient Yellowstone for free online today in Canada. You can select 'Free' and hit the notification bell to be notified when show is available to watch for free on streaming services and TV.