They put them in the watches. Little teeny gremlins.
5 seconds sound clip from the Gremlins movie soundboard.
You can hear this line at 00:34:03 in the Blu-ray version of the movie.
Quote context
[...]
- You got to watch out for foreigners. They plant gremlins in their machinery.
- The same gremlins brought down our planes in the big one.
- That's right. World War II. Good old W-W-I-I.
- You know, they're still shipping them over here.
- They put them in the watches. Little teeny gremlins.
- I don't thing it's such a good idea that you drive. Why don't you walk home?
- You know, Katie, I think maybe I'll walk home.
- Good.
[...]