The Day the Earth Stood Still (1951) ending / spoiler
The alien leaves, teaching Earth that war is not the answer, and that Earth will be destroyed if they ever bring war into space and become a threat to other planets.
Submitted by Bazzu
The alien leaves, teaching Earth that war is not the answer, and that Earth will be destroyed if they ever bring war into space and become a threat to other planets.
Submitted by Bazzu