I would probably do the same thing Ebel would do. I would rewatch the anime if its more than a year or so. If I really love the anime then I might watch it if it could still please me. I am not that kind of person to re-watch the same thing over if I already know what is going to happen.

I sometimes find myself re-watching a series I haven't seen in ages. Normally because I watch a single episode and keep wanting to watch more. D: After about 2 or 3 eps I force myself to stop since there's other things I should be doing instead.

Typically I don't re-watch anime unless its been more than a year because it is usually still fresh in my memory. If I were to re-watch I would just re-call the scenes during the episodes that I want which would spoiler the story for me. :(