Topic on Forum:Wiki Talk
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I think that breaking out the various incarnations of a franchise into separate pages is a good and proper thing to do. That is at least one reason why we have disambiguation pages, after all. I just did this very thing for Starship Troopers yesterday and The Tick a couple days ago; both were horrendous messes, with tropes for three or more (often highly-variant) versions of the story side-by-side. The Hitchhiker's Guide to the Galaxy desperately needs exactly this kind of cleanup, too.