- Maybe it's not a wine cask.
- OK, if it's not, what do you think it is?
- Offhand, I'd call it a door.
9 seconds sound clip from Scooby-Doo, Where Are You! - Never Ape an Ape Man (S1E7).
You can hear this line at 00:16:57.052 in the Blu-ray version of the episode.
Quote context
[...]
- Yeah, you got him... King Kong in the flesh.
- Well, it's a cinch that Ape Man is still in the basement.
- He didn't have time to go back upstairs.
- Hey, gang! Looks like Scooby found a clue.
- Scooby's pointing to a tuft of hair caught in this cask.
- So the Ape Man ran by here. What does it prove?
- OK, if it's not, what do you think it is?
- Offhand, I'd call it a door.
- It's a tunnel that goes back into the mountain.
- Ohh!
- So this is the way he escaped. He won't get away this time.
- You can bet the film company didn't build this tunnel.
- No, this is more like the cave where the Ape Man is supposed to live.
[...]