Tips:

1. NOTE: Best viewed with Internet Explorer.  If you have Safari, Firefox and other browsers, the clip may NOT  play.  It may take a few seconds to load.  If nothing shows below the title, you may not have the correct browser to view this OR you need to update some of your media resources. You can trying installing (or updating) flash player, as well as shockwave player. You may also need to install or update Windows Media Player.  Then reboot your computer. If the video, still doesn't show, you will  to open it with Internet Explorer browser

2. Your school district may be blocking it. Check with your school technicians.