Pick a series
Use the steel-blue subject buttons, the search field or the sliding rows on the home page.
Read the page
Each page gives the year, the rating, the narrator or presenter, a summary and the full episode list by season.
Press Watch now
Choose your country and press Watch now; JustWatch lists the services that carry the series there.
Three to begin
Planet Earth II, Cosmos and The Last Dance are superb first choices.