Back when it was airing, I sort of lost interest around Capaldi. I think his episodes were a bit too "mature" for me, when I preferred funny scifi show. But I've come to appreciate a lot of his episodes more. But he did have some really dogshit ones, like the moon episode, The Caretaker (Where a school gets attacked by a dalek knockoff), and Sleep No More, which was so bad that me and my girlfriend spent the whole episode talking about other stuff when having a marathon rewatch. Both of us are big fans of doctor who in general