You can, but the experience is often like watching a giant standard-def TV set - none of the consumer grade VR headsets have the resolution to do this well yet.

You can, but the experience is often like watching a giant standard-def TV set - none of the consumer grade VR headsets have the resolution to do this well yet. I personally find watching a film on an tablet or phone significantly better, unless the isolation offered by strapping a VR headset to your face is more important to you.