opt into Youtube HTML5 beta. http://www.youtube.com/html5 http://www.youtube.com/html5 Visit a video page. Right click on the video and "inspect element" (ass

opt into Youtube HTML5 beta. http://www.youtube.com/html5 http://www.youtube.com/html5 Visit a video page. Right click on the video and "inspect element" (assuming your in Chrome) and it will show a url in the <video > tag. (Note view source wont work as it appears to be loaded using JS) You could probably automate this process if needed. Also: im not sure if the URL is time sensitive or not.