Hey there Waknismonster,
It sounds like you are unable to find the iTunes extras for one of the Lord of the Rings movies you have purchased. If you still haven't been able to, I would recommend reporting a problem to the iTunes Store support directly. This article will help you do that:
Report a problem with an item purchased from the iTunes Store, App Store, Mac App Store, or iBooks Store
To report a problem or request assistance with an item purchased from the iTunes Store, App Store, Mac App Store, or iBooks Store:
- Visit reportaproblem.apple.com in your browser.
- When prompted, enter the Apple ID and password used to initiate the purchase of the item, then click Sign In.
- Find the item you're having a problem with, then click Report a Problem next to it.
- From the Choose Problem menu, choose the issue you're having.
- Follow the onscreen instructions. You might be asked to describe the problem in a text field.
- Click Submit, and we'll review your problem.
Thank you for using Apple Support Communities.
All the best,
Sterling