- Rod Serling - Narrator: [Closing Narration] Once upon a time, there was a man named Harrington, a man named Forbes, a man named Gart. They used to exist, but don't any longer. Someone - or something- took them somewhere. At least they are no longer a part of the memory of man. And as to the X-20 supposed to be housed here in this hangar, this, too, does not exist. And if any of you have any questions concerning an aircraft and three men who flew her, speak softly of them - and only in - The Twilight Zone.
- Colonel Ed Harrington: [after calling his parents] Clegg!
- Lieutenant Colonel Clegg Forbes: Yeah?
- Colonel Ed Harrington: Come here, please. Would you come here quick?
- Lieutenant Colonel Clegg Forbes: [walks over to Harrington] What's troubling you?
- Colonel Ed Harrington: Clegg, I just called home, called my folks. My mom answered the phone.
- Lieutenant Colonel Clegg Forbes: Yeah.
- Colonel Ed Harrington: I told her who I was, and she said she didn't have any son named Ed Harrington. That's what she said, Clegg! And then I asked to talk to the old man. And he got on and kept telling me to get off the phone. He didn't want any practical jokester bothering his wife. He said he didn't have any son at all. What is it Clegg? What's it all mean?
- Lieutenant Colonel Clegg Forbes: Well, I don't know. It's just a gag maybe.
- Colonel Ed Harrington: [shakes his head] No gag. It's all part of this feeling. This feeling I shouldn't be here, that none of us should be here! It's as if...
- Lieutenant Colonel Clegg Forbes: As if what?
- Colonel Ed Harrington: As if maybe that we shouldn't have come back from that flight at all. Maybe somebody... something... made a mistake... and let us get through when we shouldn't have.
- Lieutenant Colonel Clegg Forbes: Ed, you stay put. I'm going to get you a good, stiff drink, alright?
- [Harrington abruptly stands up, Forbes holds him back]
- Lieutenant Colonel Clegg Forbes: Now, take it easy. Stay put, alright?
- Major William Gart: [after Forbes explained the story to Gart] Clegg? I don't know Ed Harrington. I've never heard of him before. I think he must be an illusion or something.
- Lieutenant Colonel Clegg Forbes: [eerily calm] Oh, I know he's not an illusion. I know. He's been yanked out of here. He's been taken away. He told me, remember? He told me maybe someone or something made a mistake. Let us get through when we shouldn't have gotten through. It's gotta come back to get us, somebody up there.
- [Overcome by the same feeling Harrington has]
- Lieutenant Colonel Clegg Forbes: Oh, Bill, this is weird. It's just plain weird; like I just don't belong. Just like I... I don't belong.
- [sees he no longer has a reflection in a mirror, horrified]
- Lieutenant Colonel Clegg Forbes: Oh, no! OH, NO! I DON'T WANT THIS TO HAPPEN! BILL, I DON'T WANT IT TO HAPPEN! I DON'T WANT IT TO HAPPEN!
- [runs out of room]
- Lieutenant Colonel Clegg Forbes: I DON'T WANT IT TO HAPPEN!
- Major William Gart: [hobbling after Forbes] Clegg! CLEGG!
- [looks into the hallway to find that Forbes has disappeared]
- Major William Gart: Somebody get him! Somebody get him... Somebody... Somebody get him...
- Nurse: [sees Gart standing in his doorway and walks over to him] Major, you shouldn't be out of bed. Why, if the doctor could see you...
- Major William Gart: Somebody's got to help him. Colonel Forbes. Somebody's got to help him right away.
- Nurse: Who?
- Major William Gart: COLONEL FORBES!
- [sighs]
- Major William Gart: You know Col. Forbes. Why, he was brought in here with me. Why, he was right over here on this...
- [turns to see there is only one bed in the room, his. The bed next to him which Forbes' occupied has disappeared]
- Major William Gart: Oh, my dear god.
- Nurse: Major. Major, let me help you get into bed. And I'll-I'll call the doctor. Come here.
- [helps Gart into bed]
- Nurse: A-Are you alright?
- [leaves the room]
- Nurse: Major? Major Henderson?
- [when the nurse leaves, Gart looks at the newspaper and sees only his photo. Horrified, he also disappears]
- Rod Serling - Narrator: [Opening Narration] Her name: X-20. Her type: an experimental interceptor. Recent history: a crash landing in the Mojave Desert after a thirty-one hour flight nine hundred miles into space. Incidental data: the ship, with the men who flew her, disappeared from the radar screen for twenty-four hours.
- Rod Serling - Narrator: [continuing narration, subsequent to character dialogue] But the shrouds that cover mysteries are not always made out of a tarpaulin, as this man will soon find out on the other side of a hospital door.