- Help me find my glasses.
- Here they are, Velma.
- Where did you find them?
- Oh. It's a long story, Velma.
- Long story.

11 seconds sound clip from Scooby-Doo, Where Are You! - Decoy for a Dognapper (S1E5).

You can hear this line at 00:15:38.591 in the Blu-ray version of the episode.

Quote context

[...]

- Shaggy?

- Yipes!

- Oh! It's you, Scooby.

- Hey, what are you doing with Velma's glasses?

- Come on. The coast is clear.

- Where is everybody?

- Oh! Why, Shaggy, you're petrified with fear... and you, too, Scooby.

- Help me find my glasses.

- Here they are, Velma.

- Where did you find them?

- Oh. It's a long story, Velma.

- Long story.

- This looks like their ceremonial building where they held their special rites.

- Perfect place for a witch doctor to live.

- Yeah. Come on. Let's find him.

- Hey, look! I doubt if that fire's been burning a thousand years.

- Freddy, this place gives me goosebumps.

- You have violated the sacred temple.

[...]