Everything I have on iTunes (except my music) won't work!

If I try to watch a movie it will say that I'm not autorized to play it, then ask for the password for my old account (which is the account that I used to buy the movie). I can't remember the password for my old account, so I go to the password forgotten / password reset page. When I click to send an e-mail to my old e-mail (which I can fortunately still access) the e-mail never comes, and the security questions don't work either. I have this problem with all forms of media in my iTunes except music. There is at least $100 worth of stuff I can no longer access.

Help? Please?