I saw this movie at the theater when it was released -- in 1977 -- when I was in fifth grade. For a Saturday matinée, it was a nice diversion (compared to cleaning my room). I then saw the movie about 20 years later and wondered if I had taken any drugs that Saturday afternoon so long ago. Further research informed me of its Canadian origins; that probably answers LOTS of questions right there, but I don't want to say anything bad about our Canadian friends. I personally believe in the Ancient Astronauts premise, something many people passionately deny. Whether you believe in Ancient Astronauts or not, Starship Invasions will mostly likely fulfill all your expectations of what it would be like to have Canadian Aliens building subaquatic bases and terrorizing dumb farmers. I agree with the previous review: Christopher Lee should definitely have had talking scenes.