Come on, Scooby. You're a decoy, remember? Keep your mind on your work.
5 seconds sound clip from Scooby-Doo, Where Are You! - Decoy for a Dognapper (S1E5).
You can hear this line at 00:05:45.937 in the Blu-ray version of the episode.
Quote context
[...]
- Hold it, Scooby. Wait till I get your new collar on.
- Well, Bob Miller said we could take his place tonight, Scooby.
- So come on, champ, let's walk.
- Hey, take it easy. Slow down.
- Come on, Scooby. You're a decoy, remember? Keep your mind on your work.
- Sorry.
- Boy! At least you don't have to take another bath.
- Lucky for you, I'm a dog lover. Yuk!
[...]