Q: How do I go about deleting a movie and a tv show from my iPhone 4s?

Hello,

Thank you for visiting Apple Support Communities. 

Here are the steps on how to delete iTunes movies and TV shows from your iPhone. 

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

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.

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

Cheers,

Jason H.