- Well, there they are, Sheriff... Mr. Creeps and his partner Mr. Crawls.
- They were trying to scare all the heirs off the island.
- Then no one would spend the night, and they would keep control of the fortune.

12 seconds sound clip from Scooby-Doo, Where Are You! - A Night of Fright Is No Delight (S1E16).

You can hear this line at 00:19:45.258 in the Blu-ray version of the episode.

Quote context

[...]

- They went out the door.

- Look out!

- They took the elevator down to the tunnel.

- I can't steer this crazy machine. We'll take the shortcut.

- Hang on!

- Got 'em!

- Looks like these ghosts are all washed up.

- Well, there they are, Sheriff... Mr. Creeps and his partner Mr. Crawls.

- They were trying to scare all the heirs off the island.

- Then no one would spend the night, and they would keep control of the fortune.

- First, Creeps pretended to be the phantom and made it seem like the house was haunted.

- The cousins were scared away fast.

- Then they put dummies that looked just like them in the coffins.

- Bah!

- But that plan backfired.

- So did painting themselves like green ghosts.

[...]