Dear Dr. Brown.
4 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 01:15:32 in the Blu-ray version of the movie.
Quote context
[...]
- I'm really going to miss you.
- No! Marty! We've already agreed that having information about the future can be extremely dangerous.
- Even if your intentions are good, it can backfire drastically.
- Whatever you've got to tell me, I'll find out through the natural course of time.
- On the night that I go back in time, you will be shot by terrorists.
- Please take whatever precautions are necessary to prevent this terrible disaster.
- 'Evening, Dr. Brown. What's with the wire?
- Oh, just a little weather experiment.
[...]