It's lucky for you the room's empty.
2 seconds sound clip from Scooby-Doo, Where Are You! - Mine Your Own Business (S1E4).
You can hear this line at 00:07:11.623 in the Blu-ray version of the episode.
Quote context
[...]
- Let's take a look inside this old hotel.
- Maybe our mysterious miner rented a room for the night.
- Yikes!
- What a creaky, creepy place.
- It's lucky for you the room's empty.
- Let's get back to the others.
- It's only a tree branch. I knew it all the time.
- The only place we haven't looked is the old mine.
- I'm beginning to think there really isn't an ancient miner.
[...]
