Twenty minutes to 10:00. Keep your eyes open now, boys.

4 seconds sound clip from the The Invisible Man (1933) movie soundboard.

You can hear this line at 01:01:10.801 in the Blu-ray version of the movie.

Quote context

[...]

- I'm going to put a thin layer of loose earth along the top of the wall. The slightest touch will disturb it, and we've got him trapped.

- Oh, I see. Pretty good.

- Forward. Quick, march!

- They think they're very clever.

- All right, take him straight inside.

- Twenty minutes to 10:00. Keep your eyes open now, boys.

- Here, quick, sir. I heard footsteps outside. Soft footsteps, like naked feet. Listen.

- Where are you going to?

- In the mountains, 100 miles away. Drive away quickly.

- Well... It's ten minutes to 10:00. He's bound to do something any minute.

- Do you suppose he'll try getting in through the station?

[...]