It goes back in the morning.
4 seconds sound clip from the Mister Ed - Season 1, Ep. 5 - Stable For Three TV Series.
You can hear this line at 00:15:07 in the DVD version of the movie.
Quote context
[...]
- Here's the evening paper for you.
- Now, just you relax, dear. Relax, dear.
- It goes back in the morning.
- You could at least look at it.
- It still goes back in the morning.
- Oh. Is it going to be one of those nights?
[...]