Take a look. "Just type in your search term (for instance, ipod or Napa Valley) or do a more advanced search (for instance, title:nightline) and Google Video will search the closed captioning text of all the programs in our archive for relevant results." <a class="jive-link-external" href="http://video.google.com/video_about.html" target="_newWindow">http://video.google.com/video_about.html</a>