- Gulp! It's a man!
- It's a man? It must be Carl the stuntman!

6 seconds sound clip from Scooby-Doo, Where Are You! - Never Ape an Ape Man (S1E7).

You can hear this line at 00:05:36.920 in the Blu-ray version of the episode.

Quote context

[...]

- Ape Man's head!

- Ape Man's head? Oh, that's just part of a costume.

- Phew!

- Hey, that's a good trick. How did you do it?

- I don't know.

- Then there must be somebody in the trunk.

- Come on, Scooby, open it.

- Huh-uh. Not me.

- Yes, you!

- Now, Scooby, don't go into one of your acts, just open the trunk.

- OK.

- Gulp! It's a man!

- It's a man? It must be Carl the stuntman!

- What happened?

- I came in to dress, and a big, hairy animal grabbed me and threw me in the trunk.

- Was it the Ape Man?

- Ape Man? What's going on?

- An Ape Man of some kind sabotaged our shooting and almost hurt Candy.

- The old legend, huh? It must have been him that got me.

[...]