- Wicked fog tonight, sir.
- Hmm. Hmm.
- Reminds me of the night we ran aground off the Pampas. Half the crew drowned in leaky lifeboats. Ah, it were a terrible shame.

10 seconds sound clip from the Muppet Treasure Island movie soundboard.

You can hear this line at 00:49:16.758 in the Blu-ray version of the movie.

Quote context

[...]

- You must promise to keep it a secret.

- Oh, don't bother your head about that. You've only told old Long John.

- Now, you run along and do your chores. Go on. Go on.

- Safely now. Safely.

- Steady as she goes.

- Oh, Mr. Silver, good evening.

- Wicked fog tonight, sir.

- Hmm. Hmm.

- Reminds me of the night we ran aground off the Pampas. Half the crew drowned in leaky lifeboats. Ah, it were a terrible shame.

- Leaky lifeboats?

- Oh, a common occurrence, sir. A little-used piece of equipment falls into disrepair and becomes, shall we say...

- Unsafe?

- Oh, I'm not sayin' our lifeboats are unsafe, sir. I'm not sayin' we got problems, uh...

- Still...

- Hmm. Hmm. The caulking appears tight. No dampness under the gunwale.

- This one seems seaworthy.

- Oh, well, sir, they do, of course, until you get them out in the open ocean.

[...]