You are brave, and that's a fact, so you will do the lion tamer's act.
7 seconds sound clip from Scooby-Doo, Where Are You! - Bedlam in the Big Top (S1E10).
You can hear this line at 00:15:21.231 in the Blu-ray version of the episode.
Quote context
[...]
- Hold it! You forgot I'm a track man. I can really run and fast.
- Why don't you both go and split the sandwich?
- Hold it, Scooby. That's him. That's the ghost clown.
- Let's surround him. You go that way, and I'll go this way.
- Watch the pretty coin of gold, and you will do as you are told. (2)
- You are brave, and that's a fact, so you will do the lion tamer's act.
- Back up there, Simba! Roll over, Simba!
- Ha! Now, Simba, stand! Stand, Simba!
- Ha ha ha! Very good, but now the ghost clown strikes.
[...]