"SpongeBob Appreciation Day: Patchy's Beach Bash!" is a SpongeBob SquarePants episode, produced as a stand-alone special for season twelve. In this episode, Patchy and some of SpongeBob's biggest fans wash up on the island above Bikini Bottom to celebrate SpongeBob Appreciation Day.
The following characters appear in archive footage:
- SpongeBob SquarePants
- Patrick Star
- Squidward Tentacles
- Eugene H. Krabs
- Pearl Krabs
- Sandy Cheeks
- Mrs. Puff
- Sheldon J. Plankton
- Gary the Snail
- Bikini Bottomites
- Dirty Bubble
- Dark Knight
- Squidly Tentacles
- Flying Dutchman
- Robot Krabs
- Squilliam Fancyson
- Gunther Fitz
- Plankton's cousins
- Harold SquarePants
- Margaret SquarePants
It was officially announced by Nickelodeon's on October 4, 2019, during their "SpongeBob Appreciation Day!" 20th anniversary panel at New York Comic-Con, where it was confirmed for a 2020 release.
- This episode is available on the digital media of the same name and The Complete Twelfth Season DVDs.
- The title card is similar to "Mid-Life Crustacean" and The SpongeBob Movie: Sponge Out of Water. The background is especially similar to "Band Geeks," "A Life in a Day," and "Patchy's Playlist."
- This special aired on January 4, 2020, but on the Nickelodeon TV schedule, it says October 5, 2019. The latter is when it was originally supposed to air.
- This is the first special and first SpongeBob-related material to premiere in 2020 and the 2020s decade.
- This is The Guy on the Penny's first appearance in a decade since "Truth or Square" in 2009.
- In the theme song, the animation of SpongeBob rearranging himself is replaced by fan favorite clips from the series and the episodes show are:
- The credits are played in the beginning clip on Bikini Atoll.
- This was the first special not to credit Stephen Hillenburg.