- Dale Arden: You couldn't have picked a more beautiful spot for a vacation.
- Flash Gordon: Well, even us heroes need a break sometime.
- Dale Arden: Oh boy...
- Dale Arden: An ancient civilization. What a shame we'll never know what it was like.
- Dr. Hans Zarkov: I... wouldn't say never, Dale.
- Thun: And what is that?
- Dr. Hans Zarkov: A retroscope. It shows things as they once were, observe.
- Dale Arden: [after landing in the north polar region of Mongo] I'm glad our clothes are insulated.
- Flash Gordon: Yeah, this isn't exactly Palm Springs.
- Thun: A little chill does not bother a lion man.
- Dale Arden: Of course not, you grow your own fur coat.