The walls are moving!
3 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 01:21:40 in the Blu-ray version of the movie.
Quote context
[...]
- I don't know. It just let go of me and disappeared.
- I got a bad feeling about this.
- Don't just stand there! Try and brace it with something.
- Help me!
- Wait a minute! 3PO! Come in, 3PO! 3PO!
[...]