List of spongebob easter eggs:
In the episode “Rock Bottom,” there is a reference to the Bermuda Triangle as one of the bus stops.
In the episode “SpongeBob Meets the Strangler,” the title card has a hidden message that says “She smells.”
In the episode “Life of Crime,” when SpongeBob and Patrick are pretending to be criminals, they use sea anemone hats as disguises, which is a nod to the hats worn by characters in the show “The Godfather.”
In the episode “Chocolate with Nuts,” there is a fish who continuously says, “My leg!” whenever something bad happens. This became a running joke throughout the series.
In the episode “Dying for Pie,” when Squidward gives SpongeBob a pie filled with a bomb, there is a fish in the background reading a book titled “How to Explode.”
In the episode “The Smoking Peanut,” there is a quick shot of a peanut sitting in a chair smoking a pipe, which is a reference to the famous detective character Sherlock Holmes.
In the episode “Band Geeks,” during the halftime show, Squidward conducts an orchestra that includes various Bikini Bottom characters. One of the characters, Painty the Pirate, is the painting from the show’s opening sequence.
In the episode “Graveyard Shift,” when SpongeBob and Squidward are working the night shift, there is a scene where the walls of the Krusty Krab change into creepy faces, including a portrait of Nosferatu.
In the episode “Krusty Krab Training Video,” there is a brief shot of an employee named “Timmy,” who is shown wearing a nametag that says “Tom” underneath it. This is a reference to an animation error in a previous episode.
In the episode “Jellyfish Jam,” there is a scene where SpongeBob dances with the jellyfish to the song “Electric Zoo.” This dance sequence is a reference to the music video for “Footloose” by Kenny Loggins.
In the episode “Mermaid Man and Barnacle Boy IV,” when SpongeBob and Patrick borrow Mermaid Man’s belt, they accidentally shrink Squidward. In one shot, Squidward is seen reading a tiny newspaper titled “The Daily Murmur.”
In the episode “Prehibernation Week,” there is a scene where SpongeBob and Sandy play a dangerous game of extreme tag. During the chase, they pass by a fish playing the violin, and his name is revealed to be “Lord Poltergeist,” a reference to the composer Ludwig van Beethoven.
In the episode “SpongeBob’s Last Stand,” when SpongeBob and Patrick are protesting against the construction of a highway, there is a sign that reads “SP-129.” This is a reference to the original name of the show’s pilot episode, “SpongeBoy Ahoy!”
In the episode “Krab Borg,” Squidward becomes convinced that Mr. Krabs is a robot. When he tries to prove it, he shines a flashlight on Mr. Krabs, and his eyes turn red like a robot’s.
In the episode “Wormy,” when SpongeBob and Patrick are taking care of a caterpillar, they imagine it transforming into a butterfly. In their imagination, the butterfly is shown with the face of a real-life astronaut, Buzz Aldrin.
In the episode “Welcome to the Chum Bucket,” when SpongeBob goes to work at the Chum Bucket, there is a sign on the building that reads “Abandon all hope, ye who enter here,” which is a famous line from Dante’s “Inferno.”
In the episode “Krusty Krab Pizza,” there is a scene where SpongeBob and Squidward are delivering a pizza to a customer. The customer’s house is shaped like a pineapple, which is a reference to SpongeBob’s own pineapple house.
In the episode “Just One Bite,” when Squidward becomes obsessed with trying a Krabby Patty, there is a shot of him at night, creeping outside the Krusty Krab. In the background, the music playing is “Hall of the Mountain King” by Edvard Grieg, which adds to the creepy atmosphere.
In the episode “Wet Painters,” when SpongeBob and Patrick are trying to remove paint from Mr. Krabs’ first dollar, they accidentally paint a mustache on it. The mustache resembles the iconic mustache of artist Salvador Dalí.
In the episode “The Great Snail Race,” SpongeBob’s pet snail, Gary, participates in a snail race. When Gary crosses the finish line, he breaks through a banner that says “Gary” in a font similar to the one used for the “Garfield” comic strip.
In the episode “Sailor Mouth,” SpongeBob and Patrick learn a curse word from a dumpster behind the Krusty Krab. To censor the word, they use dolphin noises, which became a recurring gag in the show.
In the episode “The Algae’s Always Greener,” when Plankton switches lives with Mr. Krabs, he realizes that being wealthy isn’t as great as he thought. As he walks through a crowd, a fish wearing a T-shirt that says “Money can’t buy happiness” passes by.
In the episode “No Weenies Allowed,” SpongeBob tries to prove he is tough enough to enter the Salty Spitoon, a tough bar for real tough fish. During the bouncer’s interrogation, SpongeBob’s ID shows his birthdate as July 14, 1986, the day the show’s creator, Stephen Hillenburg, was born.
In the episode “Bubblestand,” when SpongeBob first blows a bubble, it takes the shape of a heart. This is a subtle nod to the show’s creator, Stephen Hillenburg, who wanted the series to have a positive and loving atmosphere.
In the episode “The Fry Cook Games,” when SpongeBob and Patrick compete against each other in various fast food challenges, the event announcer makes a reference to the Olympic Games by saying, “Let the games begin!”
In the episode “The Sponge Who Could Fly,” SpongeBob tries to fly with a pair of jellyfish wings. At one point, he crashes into a billboard that reads “Live Action,” hinting at the show’s transition to a live-action segment later in the episode.
In the episode “F.U.N.,” when SpongeBob befriends Plankton and tries to teach him how to have fun, they sing a song together. During the song, they pass by a fish named “Fred,” who is known for his catchphrase, “My leg!”
In the episode “Krusty Towers,” when Mr. Krabs turns the Krusty Krab into a hotel, there is a scene where a guest asks Squidward if the hotel has any entertainment. In response, Squidward hands the guest a clarinet, saying, “Here’s your entertainment,” a nod to Squidward’s musical talents.
In the episode “Bubble Buddy,” when SpongeBob creates a friend out of bubbles, they go on various adventures together. In one scene, Bubble Buddy is shown performing as a tightrope walker, a reference to the famous circus act.
In the episode “SB-129,” when Squidward travels to the future, he encounters a robot named “AL1.” The design of the robot’s head is inspired by the HAL 9000 computer from the film “2001: A Space Odyssey.”