That all depends on your phone and if you have enough memory. Howver, most video will not work as you will not have the correct codecs to be able to play the video and sound....simpy put your phone will not recognize the video and will not play it. However if you have Windows Mobile you can download the skyfire browser (just search for it on google) and then use hulu.com and tv-link.cc straight through you phone like having your own TRUE MOBILE TV. You can watch practically anything you can watch online as a streaming video through skyfire and Windows Mobile.