Ha ha ha! So you didn't heed my warning. Now your spirits will dwell here in this house forever!
9 seconds sound clip from Scooby-Doo, Where Are You! - A Gaggle of Galloping Ghosts (S1E11).
You can hear this line at 00:07:58.545 in the Blu-ray version of the episode.
Quote context
[...]
- That's just how I planned it. Now, get me down!
- Jump!
- Whee!
- Hurry! He's trying to get loose.
- I wonder where Shaggy and Scooby could be.
- I don't know, but let's check out that room up ahead.
- Look at that fire! Maybe we're expected for dinner.
- Fine, as long as we're not the dinner.
- Ha ha ha! So you didn't heed my warning. Now your spirits will dwell here in this house forever!
- Hey, my glasses! I can't see without them! They should be around here somewhere.
- Velma? Velma, are you all right? She's gone... but where?
- The coast is clear. Come on, Scooby.
[...]