- And this is the year 2015?
- October 21, 2015.

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

You can hear this line at 00:05:05.964 in the Blu-ray version of the movie.

Quote context

[...]

- All right, Doc. What's going on, huh? Where are we? When are we?

- We're descending toward Hill Valley, California, at 4:29 p.m. On Wednesday, October 21, 2015.

- 2015? You mean we're in the future.

- Future. Marty, what do you mean? How can we be in the future?

- Jennifer, I don't know how to tell you this, but you're in a time machine.

- And this is the year 2015?

- October 21, 2015.

- God, so, like, you weren't kidding. Marty, we can actually see our future.

- Doc, now, you said we were married, right? Yeah? Was it a big wedding?

- Marty, we're gonna be able to see our wedding.

- Wow.

- I'm gonna be able to see my wedding dress.

- Wow.

- God, I wonder where we live. I bet it's a big house with lots of kids. How many kids... (DEVICE WHINING)

[...]