Successfully complete all of the training courses and get at least fifth place on the leader board on all the training courses. Once you complete the last one, the "Play Video" option will be unlocked on the touch screen. Touch it to se a short video of Samus discovering some enemies followed by a URL, www.metroidhunters.com. After you watch it once, you can watch it again by touching a small red dot at the bottom right of the main screen.