- Nora: What time would you say it is?
- Dr. Richard Gordon: Say it's about 3 o'clock Earth time here.
- Nora: 'Cept that we don't know how many hours are in the daily cycle here. You know this place could move around faster than our Earth!
- Dr. Richard Gordon: Well let's figure it for 3 o'clock anyway! That gives us 3 or 4 hours before dark.
- [last lines]
- Dr. Ralph Martin: [after detonating an atomic bomb and watching it annihilate much of Planet Nova] Well, we've done it.
- Dr. Richard Gordon: Yeah, we sure have done it: Brought civilization to Planet Nova.
- Dr. Ralph Martin: Come on, let's go home.
- Dr. Patricia Bennett: You know, I think they all read too much science fiction. You know, they probably thought we'd meet some kind of super race up here or something.
- [first lines]
- Narrator: On April 23rd, the word to start comes from Washington. Underneathly, our finest research laboratories change over to this all important project, the building of a passenger carrying rocketship. Every security measure is taken. Test upon test must be made to develop, improve, create, evolve.
- Nora: Look, let's get out of here and get back to the ship. I'm scared to death and I don't mind admitting it.
- Nora: Why, am I glad you're back. Did you have a good trip?
- Dr. Patricia Bennett: Lovely, if you like walking.