The best of TV and streaming this week

Gillian Anderson and Lena Headey face off in Netflix Western ‘The Abandons’; Dr Who spin-off ‘The War Between the Land and the Sea’ stars Russell Tovey; Netflix’s ‘Sean Combs: The Reckoning’ documents allegations against the music mogul; escapist pleasures as the final season of ‘Stranger Things’ begins; Nazanin Zaghari-Ratcliffe drama ‘Prisoner 951’ is illuminating and infuriating; ‘Poison Water’ tells the tale of Britain’s worst mass poisoning