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- SpongeBob SquarePants
- Patrick Star
- Bubble Bass
- Mother Luther
- Gary the Snail
- Live-action lion (debut)
- Barnacle Boy
- Mermaid Man
- The Chief
- Anchor Man (debut)
- Firejellies (debut)
- Suburban dad
- Hoodoo (debut)
- Buford (debut)
- Cletus (debut)
- Crocodile #3 (debut)
- Mysterious Man (debut)
- Super Whale (debut) (as toy)
- Man Ray (cameo)
- Dirty Bubble (cameo)
- The Moth (cameo)
- Robot Mantis (cameo)
|( ‣ ) Associated production music|
|( • ) Original music|
|( ◦ ) SpongeBob music|
- The original titles for this episode were "Swamp Bass" and "Swamped!"
- This episode is 16 minutes long.
- This episode was meant to air in Russia on October 19, 2019, but was replaced with "Plankton's Old Chum" on accident instead (according to Nick Russia).
- Bubble Bass makes his season 12 debut in this episode.
- The title card is very similar to that of "The Algae's Always Greener," except some light and bubbles are added in the background.
- The title card is also similar to that of "The Fish Bowl," except this title card is recolored.
- The title of the episode was accidentally listed on some United States VOD platforms with Dirty Bubble Returns and Handemonium, however the episode was not there.
- The "action dog," "teenage action boy," and "teenage action girl" action figures from "Goons on the Moon" appear in this episode.
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