- But what has he got to do with the ranch?
- I don't know, but lately he's been coming up here and scaring the guests away.

9 seconds sound clip from Scooby-Doo, Where Are You! - Mine Your Own Business (S1E4).

You can hear this line at 00:04:11.193 in the Blu-ray version of the episode.

Quote context

[...]

- These sure are nice rooms.

- I can't understand why the place is empty.

- It's the miner.

- The miner?

- The who?

- The Miner Forty-Niner.

- Forty-Niner?

- Yesiree.

- He came to Gold City in 1849, and he can't rest until he finds the last vein of gold.

- 1849?

- Like, wow. That's what I call an ancient miner.

- That's for sure.

- And at night, you can hear the mine moaning, calling for the miner.

- But what has he got to do with the ranch?

- I don't know, but lately he's been coming up here and scaring the guests away.

- And I'm going away in the morning myself.

- Man, that's the wildest tale I ever heard.

- Ridiculous... a hundred-year-old miner.

- Still, something must have scared off the guests.

[...]