Finished S4, For all Mankind. - by John Birmingham
But if you are looking for an epic decade spanning saga, with a huge dollop of What If, this is your jam.
@birmo.bsky.social nailed it. S4 of For All Mankind was an outstanding season of one of the best sci-fi series currently in production (and there are some great ones currently). It has gone from strength to strength since S1E01.