Well, be careful. You don't want to get struck by lightning.
4 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 01:36:58.498 in the Blu-ray version of the movie.
Quote context
[...]
- That means Jennifer's okay and Einie's okay, right?
- That's right, Marty. It's the ripple effect.
- The future is back, so let's go home.
- Right. Let's get our asses back to the future.
- That was a close one, Marty. I almost bought the farm.
- Well, be careful. You don't want to get struck by lightning.
- Doc. Doc? Doc, come in, Doc.
- Doc, do you read me? Do you read me, Doc? Come in. Doc!
- Oh, no. He's gone. The doc's gone.
- Huh?
- Yeah.
[...]