I watched the first episode and really liked it and recommend it. The acting, of course, is great. Emma Thompson is particularly comedic in her Trump-like portrayal of a British politician angling to get elected to Parliament and beyond. Anne Reid is also great and uses her comedy skills as the grandmother in the piece. Russel Tovey is really good. I really had not seen him in anything especially as I had not watched any of Loving. He has a monologue that I could relate to and which I thought was a high point of the first episode about the feeling of having to live in the political atmosphere we must survive. Of course he has a gorgeous partner Ralph (Dino Fetscher) to make up for it but Ralph has some crazy, extremist beliefs, or at least seems to. Rory Kinnear, Tovey's brother, and T'Nia Miller are a couple who have some challenges parenting as society presents problems that technology may inevitably lead to. Both are great actors. Finally, the script by Russell Davies, who created among other things, Queer As Folk, Cucumber/Tofu/Banana, and a portion of Dr. Who, is both humorous and leaves you worrying about the future. Rotten Tomatoes states that "Years and Years scathingly critiques the present with a nihilistic projection of the future, leavening the devastating satire with a buoyant sense of humour and characters who are easy to become invested in." I found it well worth viewing.
P.S. The only real critique I had was that they filmed a scene with Russell Tovey showering in a glass shower and only filmed his head and shoulders. Give me a break.