I was so surprised when Connor appeared! I was totally unspoiled, and although I kind of recognised his parents, I wasn't sure what episode they'd been in before. And then we heard the voice, and poor old Angel looked around... sniff. All the Angel-Connor stuff was really touching and sad, especially the very end.
And I loved the bit where Connor got his memory back and flipped over Sahjan. Then when he got up and was looking over at him, smiling kind of dangerously...that was very cool. I really like it when characters suddenly realise their power - like when Buffy stops being all girly at Halloween. In fact, I'm presuming the resemblance to that scene was intentional. Aww, why does the Buffyverse have to end? Why?!