Come on, Scooby. Be brave. Just think of Rin Din Din. Laddie. John Wayne.
11 seconds sound clip from Scooby-Doo, Where Are You! - Hassle in the Castle (S1E3).
You can hear this line at 00:15:54.623 in the Blu-ray version of the episode.
Quote context
[...]
- But how do we find the phantom?
- Right. With your super-sleuth nose, you'll be able to sniff him out.
- Achoo!
- Achoo! Achoo! My nose. Cold in my nose.
- Cut it out. You don't have a cold in your nose.
- But, like how do we know the Phantom will chase Scooby-Doo? He's a dog!
- Don't worry. We'll soon fix that.
- Come on, Scooby. Be brave. Just think of Rin Din Din. Laddie. John Wayne.
- Like I said before, what a ham.
- Hello?
[...]