This isn't Zeb, Shaggy.
2 seconds sound clip from Scooby-Doo, Where Are You! - Which Witch Is Which (S1E13).
You can hear this line at 00:06:56.164 in the Blu-ray version of the episode.
Quote context
[...]
- What was that? Someone's out there. Go see who it is, Scooby.
- Uh-uh.
- OK. We'll, like, flip a coin. Heads, I win. Tails, you lose.
- Hey, Scooby, I think I found Zeb... only I think the witch found him first.
- No. It's a voodoo doll that looks like him.
- I don't know, but I'll bet that witch had something to do with it.
- I'd like to know what she and that zombie are up to.
- Well, there's only one place to find the answer.
- Like, in the phone book, I hope.
- Look! It's the witch and her creepy crony.
- Come on. Let's follow them. Quietly, now.
[...]