Revealing mistake: Inside the alien spacecraft a battery operated blinking traffic caution signal is used as a prop from another world. (01:04:50)
Revealing mistake: The inside of the spacecraft is populated with electronic equipment sitting on tables. You can easily identify a Hallicrafters short-wave receiver which the alien tries to smash on Jeff Trent's head. In the B&W version, you can even see manufacturer labels on the front of the units. They are missing in the colorized version.
Revealing mistake: As the saucer flies over the graveyard, Tor Johnson's shadow can be seen on the studio wall behind him. (00:13:20)
Revealing mistake: When the people in the military are firing the rockets at the UFOs, you can see the rockets launching from platform are coming from the outside of the platform. (00:19:00)
Revealing mistake: In the cemetery, you can see the actors' shadows on the fake sky.
