Yet our visitor last night left the tracks of a biped.
5 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 01:09:40 in the Blu-ray version of the movie.
Quote context
[...]
- No, skipper. This thing runs counter to every known law of adaptive evolution.
- Well, notice this structure here. Characteristic of a four-footed animal.
- Yet our visitor last night left the tracks of a biped.
- Primarily a ground animal too.
- Yet this claw could only belong to an arboreal creature like some impossible tree sloth.
- It just doesn't fit into normal nature anywhere in the galaxy.
[...]