do i need an internet connection to view movies on my ipad

Download the movies first. That way you won't need a internet connection to view them.

Frequently Asked Questions (FAQ) for purchased movies

iTunes Store: Movie rental frequently asked questions (FAQ)

iTunes: Frequently asked questions about viewing and syncing videos

It all depends on the way you are trying to view movies. Some movies can be purchased and downloaded to your iPad. Other services like Netflix stream to your iPad or TV.