Having no money to spend on special effects or makeup, producer-director William Lee Wilder did his best to entertain us with this light-weight tale about an alien who crashlands near the Griffith Observatory and tries to allude pursuing scientists.
To save money, the filmmakers (a) never actually show the spaceship and (b) make the alien invisible.
The scientists get hold of the alien's spacesuit (which is not invisible) and examine it in their lab. The alien can't live on Earth without it (so he was pretty stupid to take it off, right?), and he tries to get it back, but the helmet is accidentally destroyed.
Dying from asphyxiation, the alien is finally cornered on a catwalk in the observatory. The scientists use ultraviolet light to make the alien visible -- but he's just a man in a rubber cap to make him look bald-headed, and a flesh-colored swimsuit to make him look naked.
The mind boggles at the idea of a sci-fi movie in which the costume man, the make-up man, and the special effects man had nothing else to do but make an invisible alien look bald-headed and naked!
Boy, we weren't the ONLY ones who got gipped, huh?
