Q: How do I delete rental movies or  tv series off my I phone 4? It's taking up space that I need and cannot use!?

Hi Emmierolled,

Welcome to the Support Communities!  The article below will help you delete content off of your iPhone:

How to delete content you've downloaded from the iTunes Store, App Store, iBooks Store, or Mac App Store

http://support.apple.com/kb/HT5772

Movies

 

Open the section below for the device you are using.

iPhone or iPod touch

Before you delete, find out if you'll be able to download the movie you deleted again (it depends on where you live).

1. Tap the Videos app.
2. Swipe left to right over the movie you want to delete.
3. Tap Delete.

 

iPhone or iPod touch

If you delete a movie rental, you'll have to pay to rent it again—unless, of course, you rented the movie on your Mac or PC using iTunes and synced it over to your iPhone or iPod touch. To delete a movie rental:

1. Tap the Videos app.
2. Swipe left to right over the movie rental you want to delete.
3. Tap Delete.

iPhone or iPod touch

Before you delete, find out if you'll be able to download the TV show you deleted again (it depends on where you live). To delete a TV show:

1. Tap the Videos app.
2. Tap a TV show.
3. Swipe left to right over the episode you want to delete.
4. Tap Delete.

Here's another article that may be helpful to you:

iPhone, iPad, and iPod: Understanding capacity

http://support.apple.com/kb/ht1867

Cheers,

- Judy