- Yes, but where did that mysterious fog come from?
- Simple! Like, dry ice.
- Dry ice?
- Sure. All they had to do was drop the dry ice over the side of the ship.
10 seconds sound clip from Scooby-Doo, Where Are You! - Go Away Ghost Ship (S1E14).
You can hear this line at 00:20:23.365 in the Blu-ray version of the episode.
Quote context
[...]
- Now... let's see whose glowing phosphorous face Redbeard really is.
- Mr. Magnus? And I thought, like, the butler always did it.
- Mr. Magnus was just about to lose his steamship line... unless he came up with a lot of money.
- And what easier way than to hijack your own ship and sell the cargo?
- They had a pretty neat ghost setup... even down to the ghost sword operated by wires.
- Yes, but where did that mysterious fog come from?
- Dry ice?
- Sure. All they had to do was drop the dry ice over the side of the ship.
- And everybody knows when dry ice mixes with water, it makes a real spooky fog. Show them, Scooby.
- Right!
- Here it is, gang... Rocky Point Beach.
- What a groovy spot for a beach party.
[...]