- Well, what do you think these are?
- You're right! Puppets! Then there must be a puppet master.
— Velma Dinkley (Nicole Jaffe), Fred Jones (Frank Welker)
6 seconds sound clip from Scooby-Doo, Where Are You! - The Backstage Rag (S1E9).
You can hear this line at 00:19:37.203 in the Blu-ray version of the episode.
Quote context
[...]
- Careful, everybody. He's around here someplace.
- Ho! Ho!
- There's nothing to be afraid of.
- Yes.
- He was a life-size puppet, wasn't he?
- Yes.
- Well, what do you think these are?
- You're right! Puppets! Then there must be a puppet master.
- There he is! We've got to catch him!
- How do you like that? Old Scooby Doo's got him on the run.
- Good work, Scooby! I'll give you a hand.
[...]