So that's where the old knight was headed for.
2 seconds sound clip from Scooby-Doo, Where Are You! - What a Night for a Knight (S1E1).
You can hear this line at 00:03:56.732 in the Blu-ray version of the episode.
Quote context
[...]
- Gosh, I wonder who this creepy hunk of tin belongs to.
- Well, the name on the crate says, Jameson Hyde White, Professor of Archaeology, London, England.
- I've heard of hide-and-seek before, but I've never heard of Hyde White.
- That's an English name, you comedians.
- Hey, what's this? It's a delivery label that says, Deliver to the County Museum.
- So that's where the old knight was headed for.
- That's using the old noodle.
- But, like, what happened to our mysterious professor?
- Well, if he was driving this truck, he's disappeared.
- Well, gang, it looks like we're up to our armor-plates in another mystery.
[...]