- A strange animal has escaped.
- A strange animal, like something you've never seen before?
- Like something no one has ever seen before.
- It broke out of its cage and grabbed me by the arm.

8 seconds sound clip from the 20 Million Miles to Earth (1957) movie soundboard.

You can hear this line at 00:36:25.751 in the Blu-ray version of the movie.

Quote context

[...]

- Here, you catch this on the other side, please.

- There's also the possibility that it might be a type of throwback toward a prehistoric and unknown...

(Marisa screaming)

- Are you hurt?

- No, I-I don't think so.

- I guess I frightened it as much as it frightened me. But its claw was so strangely hot.

- A strange animal has escaped.

- A strange animal, like something you've never seen before?

- Like something no one has ever seen before.

- It broke out of its cage and grabbed me by the arm.

- Well, hello, almost a doctor.

- This creature, tell me about it.

- Well, first it was this high. Then this high. Now it is tall. Nearly as tall as a man.

- Is that the normal rate of growth?

- No, not as far as I know.

- The only data we have is in Doctor Sharman's notes.

[...]