I think I would actually rewatch stuff? Like Lost, Battlestar Galactica and Friday Night Lights. Also I would like to get around to watching some comedies of the nineties, like Seinfeld and Cybil.

First of all, I feel I have to say that I very much agree with those of you who said before that it would be fantastic if there was more musical theatre coverage in this site!
Now I'll proceed to post my top 5: