- Now what'll we do?
- When I yell duck, dive aside.
4 seconds sound clip from Scooby-Doo, Where Are You! - Which Witch Is Which (S1E13).
You can hear this line at 00:18:46.506 in the Blu-ray version of the episode.
Quote context
[...]
(Scooby-Doo blowing raspberries)
- Here, double ugly. Go buy yourself a new face. Ta ta!
- Is the cart set up? Here they come.
- When I yell duck, dive aside.
- Duck!
- Thanks to that fast fishing team of Shaggy and Scooby.
- I got to hand it to you kids... finding that missing armored car, after all these years.
[...]