Like this... a pole made from this straw... and a little chewing gum... is going to get us the key!

6 seconds sound clip from Scooby-Doo, Where Are You! - Go Away Ghost Ship (S1E14).

You can hear this line at 00:13:44.259 in the Blu-ray version of the episode.

Quote context

[...]

- Keep paddling and quit clowning around!

- Ha ha ha! Soon you shall join my crew! Ha ha ha ha ha!

- What did he mean by that?

- I guess he means we're going to be ghosts before he's through with us.

- I hate to spoil his fun, but we're gonna bust out of here!

- But how? The key for the lock is on the table... way over there.

- Like this... a pole made from this straw... and a little chewing gum... is going to get us the key!

- It won't quite reach. One more piece of straw ought to do it. Got it!

- Let's get out of these creepy caves!

- You said it! That seagoing spook is liable to show up any minute!

- 4 tunnels! Which one shall we take?

- Mo.

- Mo?

- Sure! Eeny... meeny... miny... mo!

- Mo it is!

[...]