That's all for me, fans.
2 seconds sound clip from Scooby-Doo, Where Are You! - The Backstage Rag (S1E9).
You can hear this line at 00:16:41.692 in the Blu-ray version of the episode.
Quote context
[...]
- So this is the canine Mata Hari.
- What's sticking out of that puppet's stuffing?
- What a clue! It's the front engraving plate for a $20 bill!
- It's time we wake that doorman up and tell him what's going on.
- Mr. Doorman, wake up! Wake up! Come on! Wake up!
- It... it... he's a puppet, too!
- Hey, we're locked in, but good!
- But we've got to get out with this important clue!
- There goes the plate... our only clue!
- I'll tell you what we're going to do.
- We're going back to that violin case room and give it another going-over.
[...]