The Twilight Zone Season 3 Episode 32

(Opening Narration)
Narrator: The place is Mexico, just across the Texas border, a mountain village held back in time by its remoteness and suddenly intruded upon by the twentieth century. And this is Pedro, nine years old, a lonely, rootless little boy, who will soon make the acquaintance of a traveler from a distant place. We are at present forty miles from the Rio Grande, but any place and all places can be--the Twilight Zone.

Doctor: At your baptism they forgot to give you a proper name.
Manolo: What would that be, doctor?
Doctor: That would be Judas, Manolo.

Doctor: (reading from the book) "Greetings to the people of Earth. We come as friend and in peace. We bring you this gift. The following chemical formula is a vaccine. It's a vaccine against all forms of cancer." We have not just killed a man. We killed a dream.

(Closing Narration)
Narrator: Madiero, Mexico, the present. The subject: fear. The cure: a little more faith. An Rx off a shelf--in the Twilight Zone.