OK, from what I can tell after trying to get this to work on the school's computers, the problem is that the video file is so friggin' big that the Adobe programs are somehow getting overwhelmed. I think that the solution is going to be to break the video file up into several chunks and then reassemble them in Premiere, because it seems to accept shorter MPG and M2V files. The question is, how small do the files have to be? I've already tried cutting the film in half and that was still too big, so now I'm trying to see if a 30 minute chunk will do the trick.