Leprechaun 4: In Space is by far the worst Leprechaun I saw. You have to take into consideration I haven't saw the other Leprechaun movies because they might be worser as this. The plot was dumb, it was to much action and not enough horror. How in the heck a Leprechaun know how to shoot a space gun? Can he use his bad magic to kill people. They made his characteristics to human like. If you're a fan of the Leprechaun series than you'll love it.
Review of Leprechaun 4: In Space
