Yeah, I used to write notes when I was seriously reviewing. Most of my original series reviews have been on re-views, if you get my meaning, often of things I have seen umpteen times and I am deliberately going through Doctor Who again for my book for precisely that reason, particularly with regard to the new series - I don't have a clue what I'm going to write about the Capaldi era yet! And I'm not sure what I'm going to do about the Whittaker/Chibnall era, as it's going to (hopefully) be ongoing when I watch it - I might chicken out and say I want to wait until it's over, which is not unfair given that some eras evolved right up until the end.