This season, for some reason, only has a few episodes. The fourth season of fanon episodes was started by Phin68. The Season aired on January 4, 2020.
|Title Card||Production||Title||Release Date||
|"Bad Flower Power"||January 6, 2020|
|Demeter uses a copy of Triton's cure for "mortal diseases" to revive her dying plant, Plantzilla, but it grows into an evil plant.
|"Triton, SpongeBob, and the Worm"||January 6, 2020|
|In this episode, the Alaskan Bull Worm returned and started eating everything in Atlantis.
|"Sea Language"||February 25, 2020|
|SpongeBob thinks he can say about Sea Language and thinks he doesn't get into trouble.
|"Sorry, I've Got No Sponge"||May 11, 2020|
|SpongBob goes missing.|
|"Clash of Amphitrite"||October 20, 2020|
|Queen Amphitrite wants revenge on her husband, King Neptune, after he refused to obey her command of banishing their son, and it's causing natural disasters in Bikini Bottom!|