- Hey, Scooby, we got to hide. I'll hide up on that window ledge, and you hop in the piano.
- Gotcha.

6 seconds sound clip from Scooby-Doo, Where Are You! - A Gaggle of Galloping Ghosts (S1E11).

You can hear this line at 00:06:04.593 in the Blu-ray version of the episode.

Quote context

[...]

- Hey! Stop that clowning around, Scooby.

(WEREWOLF SNARLING) (2)

- A werewolf? Hold this, friend.

- Scooby Doo, where are you?

- Scooby Dooby Doo!

- Hey, Scooby, we got to hide. I'll hide up on that window ledge, and you hop in the piano.

- Gotcha.

- Time for a little ventriloquism.

- Where you going, fuzzy face?

- I'll give it to him again.

- You must be the big bad wolf!

[...]