- You mean I'm gonna see where I live? I'm gonna see myself as an old man?
- No, no, no, Marty. That could result in...

5 seconds sound clip from the Back to the Future Part II movie soundboard.

You can hear this line at 00:25:44.802 in the Blu-ray version of the movie.

Quote context

[...]

- What are we gonna say? That we're time travelers? They'd have us committed.

- She's clean. That means we take her home.

- Home? To Hilldale? It'll be dark by the time we get out there.

- That's it. They're taking her home. To your future home!

- We'll arrive shortly thereafter, get her out of there and go back to 1985.

- You mean I'm gonna see where I live? I'm gonna see myself as an old man?

- No, no, no, Marty. That could result in...

- Oh, Great Scott! Jennifer could conceivably encounter her future self!

- The consequences of that could be disastrous!

- Doc, what do you mean?

- I foresee two possibilities.

[...]