There seemed to be a lot of dodgy thinking going on, considering this was space exploration. For instance, spaceships going along a certain route keep on mysteriously disappearing, and the man in charge simply decides to send one more ship at a time, along the same route. What's going to happen when he runs out of men? And there are many other instances that defy all attempts at logic. This is one of those films that would have given Spock a sleepless night, let me tell you.
As I'm finishing up my now-legendary Mill Creek 50-pack, 'Nightmare Worlds', I watched this, and it was fun, fine and downright decent. I had a good time, and it was very enjoyable with some interesting ideas (and Richard Kiel in a rubber monster suit), once I put my brain into suspended animation. As of yet, I haven't bothered with MST3K or its related ilk, as I fail to see the point--the idea seems stupid and condescending. It seems like if the neighbourhood prostitute regularly charged say, $5, and for $50, you would have the experience, but with two losers there, laughing at her and explaining to you why she was a whore. At least to my estimation, cinema shouldn't be experienced like that. Every film is like a woman, appreciates its own love and understanding, and furthermore, deserves to be treated like a lady.