It Came From Outer Space Sat. Edmund Hillary and Sherpa Tenzing successfully climbed Everest, the highest mountain in the world, and Julius and Ethel Rosenberg were tried and executed for selling atomic secrets to the Russians. Understandably upset, the aliens take Frank and George hostage and replicate them in an effort to stroll undetected into town for spaceship repair parts. However, John sees through the ruse because the replicants stare unblinkingly into the sun. When he corners them in a dark alley, they warn him off, reassuring him that they just want to repair their ship in peace and leave.
Talk is cheap.
John waits almost a full minute before running to the sheriff and telling him about the aliens walking among us. Matt is skeptical, but changes his mind after Ellen turns up missing and John bullies her alien duplicate into emerging in its full orbital splendor. This gets Sheriff Matt fed up with the aliens, so he stomps meaningfully on a spider and tells John that he'll kill anything he doesn't understand. John runs off to warn the other aliens, who are almost done fixing their ship. Depressed, the aliens consider redirecting the ship's power towards the destruction of Earth, but John pleads instead for the release of the human hostages.