They only exist in sci-fi, as far as we know

Let's find possible answers to "They only exist in sci-fi, as far as we know" crossword clue. First of all, we will look for a few extra hints for this entry: They only exist in sci-fi, as far as we know. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.