When recording the part where the Dutchman eats them (from an alternate ending) the cast is told by Stephen Hillenburg to make the walla "lighter" and less like the characters are upset.
The voice actors then start riffing as if they were being brutally digested.
Last year, Paul Rudish bought back “Mickey Mouse (Shorts)” to make an episode called “Toon Toon Toon Sahur.” However, Disney scrapped this idea to keep making live action remakes of their animated movies.