The SyFy #Dune miniseries was pretty faithful to the source material, and they covered the first three books.  That nothing was filmed on location (entirely CGI) was interesting in its own right, even if the CGI was Babylon Five level stuff.  Sarandon really chewed the scenery as Princess Wencesia Corrino. My only quibble was they were asking James McAvoy to play what was, in the book, a nine year old boy.

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