If you want to enjoy video movie with iPhone. You need to convert them to MPEG-4 (*.mp4), MOV, M4V or H.264 format first. Following are some guides to help you convert almost all of video movie to iPhone supported video and audio formats.

Note:
iPhone supported Video: MP4, H.264, M4v, Mov
iPhone supported Audio: AAC, MP3

Convert DVD to iPhone

Convert Video to iPhone

Convert Video to iPhone on Mac

Transfer between PC and iPhone

Download Video to iPhone