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This film has almost everything it needs to be first class science fiction, except a decent screenwriter. The effects, makeup, photography, and direction are all perfectly acceptable for the story. However, the script is a disaster. This is a highly inept adaptation of Poul Anderson's classic sifi novel. Most of the basic premise, and introduction, are preserved. However, the rest is terrible. Anderson's competent crusader knights are replaced by idiots and buffoons. The subtle humor of the original is replaced by inane slapstick. The result is implausible, and embarrassing. If they had simply cut for time, without trying to replace or add, the film would have been vastly better.
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