Now go, dear. It's starting to get dark.
3 seconds sound clip from the Garfield on the Town movie soundboard.
You can hear this line at 00:20:20.828 in the Blu-ray version of the movie.
Quote context
[...]
- I'm sorry I let you down, Mom.
- There's nothing to be sorry about, Garfield. Not all of us are cut out to be mousers.
- Garfield, this is really for the best. You wouldn't survive here.
- You have a good life. An easy life. We all envy you.
- I'll always be with you, Garfield, and if you ever need me, I'll be there.
- Now go, dear. It's starting to get dark.
- Maybe if I whistle, I won't be scared... What am I doing? Cats can't whistle.
[...]