Which one's your pop?
4 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 00:56:07 in the Blu-ray version of the movie.
Quote context
[...]
- If they don't meet, they won't fall in love, they won't get married and they won't have kids.
- That's why your older brother's disappearing from that photograph.
- Your sister will follow, and unless you repair the damage, you'll be next.
- Sounds pretty heavy. Weight has nothing to do with it.
- Very funny. You guys are being real mature.
[...]