- Right, Velma. This just about solves the mystery.
- It does?
4 seconds sound clip from Scooby-Doo, Where Are You! - What a Night for a Knight (S1E1).
You can hear this line at 00:15:40.681 in the Blu-ray version of the episode.
Quote context
[...]
- Uh, don't like surprises, especially spooky ones.
- Somebody sure is a messy housekeeper.
- And look at that. There are 2 paintings exactly alike.
- Are you thinking what I'm thinking?
- Right, Velma. This just about solves the mystery.
- It does?
- No time to explain now, Shaggy. We gotta get the sheriff.
- Let's take this back way out.
- Leave it to Daphne to pick the wrong door.
- Arrgh!
- Zoinks!
[...]