SkunkyArt | TTLF — SpongeBob SquarePants Season 3 Scorecard

The beginning of the episode is similar to the main plot of "Jellyfish Jam ," in that SpongeBob's loud music makes Squidward angry.

SpongeBob makes a reference to "SB-129 " when he says, "Squidward! You swallowed your clarinet again!"

This is the second episode in which Squidward swallows his clarinet . The first was in "SB-129."

When the micro-submarine is bouncing inside Squidward's skull, the blue sparks are piezoelectricity, the body's electricity.

In the near end of the episode, there can be seen a roof above the kitchen/office area behind where Mr. Krabs is standing painted green. This does not appear in any other episodes.

It is also the color of the floor of the Krusty Krab.

This episode aired on YTV on April 11 , 2007 , during an event called SpongeBob Wednesday Pants .

In the UK, this episode is sometimes paired with "Chimps Ahoy ."

In the Hebrew dub , this episode is called "יום בתוך סקווידוויד" translating to "Day inside Squidward."

In the Greek dub , this episode is called "Ένα καλαμαρένιο ταξίδι" translating to "A Squid Trip."

This episode must set before "20,000 Patties Under the Sea " as Patrick states he's never been in a submarine.

There is an online game based on this episode called InvasiVoyage .

This is the first episode to play the "Tension Bits ."

This is the second episode to involve shrinking. The first is "Mermaid Man and Barnacle Boy IV ."

The song "SpongeBob Rocks the House" was later used in the video game Grand Theft Auto IV .