Wait a minute. If he went out the door, how come the broken glass is on the inside of the door?
6 seconds sound clip from Scooby-Doo, Where Are You! - Scooby Doo and a Mummy, Too (S1E12).
You can hear this line at 00:05:05.914 in the Blu-ray version of the episode.
Quote context
[...]
- Hey, Professor, why are you sitting in the dark?
- OK.
- Zoinks!
- Like, he's turned into 14-karat stone!
- Stone?
- There's only one person who could have done that.
- Mummy!
- Velma's right. The mummy's not in the case. It's gone!
- And, like, right out through that glass door.
- Wait a minute. If he went out the door, how come the broken glass is on the inside of the door?
- You're right, Velma. There's something strange going on around here.
- Gosh! It looks like we've found ourselves another mystery.
- And we're going to solve it.
- The first thing we'd better do is split up and search the school for clues.
- Shh! I don't know how we're going to find the mummy with you two making so much noise.
[...]