There's always a tendency for anime episodes to be shown in random order, so stories become hard to follow. And not even reruns. They'll show for a while, and then suddenly god nuts. I don't recall exactly how bad Anime Unleashed was in this respect, mostly because I couldn't bear to watch it for all the commercials and confusion it caused. And Lain is already a confusing series if you don't watch all of it. It's pretty awesome, though.
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"If knowledge can create problems, it is not through ignorance that we can solve them." - Isaac Asimov