Now go to bed, darling.
3 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:29:22 in the radio play.
Quote context
[...]
- Yes?
- Bobby... I think it would be better if you didn't see quite so much of Mr. Carpenter.
- I'm sure he's a very nice man. I just think he might prefer to be left alone.
- Why would he want to be left alone?
- Don't forget to brush your teeth.
- Do you have a flashlight I might borrow for tonight?
- Oh, sure... It's a real Boy Scout one.
- The light in my room went out.
[...]