I'm not sure there is a definite way, and my slight confusion at wondering what you meant by "mother load" was not helped much by google lol
If you check the files with bitzi and they are listed there, that will help you find more information see:
http://www.gnutellaforums.com/showthread.php?t=37676
I also believe you can obtain separate Subtitle files, which somehow can be attached to video files. You can Google for information, but I have no direct knowlege of exactly how this works