Me and the Missus have enjoyed COSMOS immensely, except there are way too many commercials and it doesn't go into enough depth.
We are used to PBS NOVA science & nature shows with no commercials.

There was one multi-part series that featured the 4 billion year history of planet earth from just the evidence in and around Australia. Very revealing as to how they go about dating formations & fossils and different eras. I didn't know the large red rock is deposited silt from the mouth of an ancient river.
Showed an Opal pterosaurs skeleton.......

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