"My Pretty Seahorse" is a SpongeBob SquarePants episode from season three. In this episode, SpongeBob adopts a stray seahorse.



It is Springtime in Bikini Bottom, and Patrick is emerging from his rock and storing away his Winter "coat" (sweater), burying it like a dog bone. SpongeBob, meanwhile, proclaims that he has "Spring Fever," and greets the flowers in his yard. When Squidward steps out of his house, SpongeBob asks him if he has said hello to the flowers as well. Squidward does so sarcastically, and the flowers hiss at him, causing him to run inside, terrified. SpongeBob concludes that Squidward has "Hay Fever" and, as an act of kindness decides to plant him some hypoallergenic flowers. He does so, and the moment he takes his eyes off of the flowers to grasp the watering can, he discovers it's been eaten. Surprised, he plants another one, which meets the same fate as he again reaches for the watering can. Determined, he plants another one and doesn't take his eyes off of it for 3 days. Patrick says Hi to SpongeBob, and SpongeBob looks at him and says the same thing. But after he looks at the flower again, it gets eaten. SpongeBob then discovers that the culprit is a green seahorse. SpongeBob is fascinated and imagines him and the horse riding together and decides to tame her.

Later, as he watches the seahorse, it is lured toward his floral bookmark, which it eats. They become friends and begin to ride around and do things together. As Squidward is biking to work the next morning, SpongeBob races past him on his seahorse, which he has named "Mystery." Squidward then rides off a cliff and causes a nuclear explosion when he hits the ground. When SpongeBob reaches work, he leaves Mystery outside at the bike post. Two fish approach Mystery and mistake her for a kiddy ride. One suggests the other to try it out, and when he inserts a coin into her "slot," Mystery kicks him into the distance, and he blows up on impact. The other fish runs away screaming, causing Mr. Krabs to come out and see what the trouble is. He sees Mystery and mistakes her for a monster; SpongeBob tells him she is his pet, but even though she is harmless to SpongeBob and not the others, he is ordered to get rid of her and if he disregards his order, he will be fired for not cooperating with him.

My Pretty Seahorse 19

Patrick wearing a nail and board on his head

SpongeBob attempts to hide her in a cupboard in the kitchen until Patrick finishes building a stable. SpongeBob offers Mystery a Krabby Patty, which she begins craving after eating. After she craves, Mr. Krabs overhears this noise, and angrily comes in and confronts SpongeBob, threatening to fire him if he sees Mystery still here, but, however, he doesn't see her and leaves. After narrowly avoiding being caught by Mr. Krabs, SpongeBob realizes he has to be more careful. Squidward catches Mystery after an order goes missing, and Mystery goes on an eating frenzy while a crowd of customers became angry. Mr. Krabs finally catches SpongeBob nursing a sick Mystery in the kitchen, who is suffering from a stomach ache, now knowing that he had broken the rules. Mr. Krabs then becomes angry with SpongeBob and tells him that he plans to get rid of both, Mystery and SpongeBob. SpongeBob is responsible for breaking and disregarding the rule, but he pleads for mercy, explaining that Mystery is his friend and that he loves her.

My Pretty Seahorse 26


Mr. Krabs, feeling sympathy for SpongeBob, tells him a story of his favorite dollar and how he eventually spent it for a soda on a hot day. He tells SpongeBob that Mystery needs to be freed because the indoors is not a place for a wild animal, and SpongeBob consents and takes Mystery out the front door where he painfully asks her to leave. He cries as she leaves without hesitation, he inadvertently tells Patrick to leave (believing it's still Mystery). Mr. Krabs comforts SpongeBob until Squidward shows him an empty safe. Realizing that Mystery ate the Krusty Krab's finances, SpongeBob and Mr. Krabs chase after her. The episode ends with Patrick trying to get into a hat store, but the wooden plank nailed to his head blocks his way.



 ) Associated production music
 ) Original music
 ) SpongeBob music

  Popcorn - John Scott [title card]
  Pastime - Gerhard Trede [opening]
  Harp Ding - Nicolas Carr ["I've got spring fever!"]
  Hula Festival - George Elliott [SpongeBob smelling flowers]
  Vibe Q Sting - Nicolas Carr [SpongeBob's flowers keep disappearing]
  On the Beach - Kapono Beamer [three days later]
  Dramatic Cue (d) - Ronald Hanmer [dramatic sting]
  Magical Effect (e) - Paddy Kingsland [SpongeBob sees seahorse]
  The Way West - Jack Dorsey ["She's beautiful!"]
  Stepping into Danger - Mike Sunderland [seahorse eating flowers]
  Youthful Days - Mike Sunderland [SpongeBob writes in his diary]
  Stepping into Danger - Mike Sunderland [seahorse coming toward SpongeBob]
  Music to Drive By - Alan Moorhouse [montage of SpongeBob and Mystery together]
  Best of the West - Gregor F. Narholz [SpongeBob riding Mystery to work]
  The Homeward Trail (b) [#38] - John Fox [SpongeBob tells Mystery to wait outside]
  Death Trap - Gregor F. Narholz ["Help! Kiddy ride on the loose!"]
  Hawaiian Link (b) - Richard Myhill ["It's either you or Mystery."]
  Botany Bay (b) - Robert Alexander White [SpongeBob sad]
  Harp Ding - Nicolas Carr ["Ha! It worked, girl!"]
  Stepping into Danger - Mike Sunderland ["SpongeBob, what was that?"]
  Vibe Sting - Nicolas Carr ["Huh?"]
  Dramatic Cue (e) - Ronald Hanmer [SpongeBob worries that the Krusty Krab is haunted]
  Comic Walk - Sidney Torch [Mystery eating Krabby Patties]
  Danger Zone - Mike Sunderland [Mystery ate everything]
  Dramatic Impact 2 - Ivor Slaney ["David H. Jones!"]
  Fates [#62] - Gregor F. Narholz ["Please don't make me give up Mystery!"]
  Tympup (a) - Sammy Burdson, John Charles Fiddy [bowl of onions]
  Blow the Man Down (c) - Robert Alexander White [Krabs' story about his dollar]
  Blow the Man Down (d) - Robert Alexander White [Krabs' story about his dollar]
  My Horse and I - Norman John Warren [SpongeBob lets Mystery go]
  Hawaiian Adventures SpongeBob Theme - Sage Guyton, Jeremy Wakefield ["Get that horse!"]
  My Horse and I - Norman John Warren [ending]



  • "My Pretty Seahorse" was ranked #91 during the Best Day Ever event on November 9–10, 2006.
  • As of June 11, 2016, The Internet Movie Database (IMDB) gives this episode a rating of 9.1/10 based on 274 ratings by users.[1] users give this episode a 8.9/10 based on 140 votes.[2]


  • Three Days Later
  • Twelve Seconds Later
  • Mystery also appears in the GBA version of the video game Battle for Bikini Bottom.
  • The "Three Days Later" time card has the same pattern as the "Squidville" title card.
  • Mr. Krabs would have obviously heard Mystery eating his money and noticed because Mystery's chewing sounds are considerably loud.
  • The Twelve Seconds Later time card is similar to the "Help Wanted" title card, except that it is orange in color.
  • Just like in "Jellyfishing," Squidward rides on his bike, trips on something, falls off a cliff, and explodes. In both scenes, he moans faintly after exploding.
  • In Dutch, the episode is called "Mystery," obviously inspired by the seahorse's name in the episode.
  • This is the second time a "3 days later" time card is used. The first "3 days later" time card was in "I Was a Teenage Gary."
  • Patrick with a wooden plank nailed in his head and SpongeBob's "imitation" of Mystery have become internet memes.
  • This would be the second time Patrick has a board and a nail on his forehead. The first was "Life of Crime" in a deleted scene.
  • Running Gags:
    • The onions making people cry.
    • When someone lands on the ground, it causes a nuclear explosion.
  • When SpongeBob and Mystery were dancing on TurboNick, a song from Nickelodeon's The Naked Brothers Band can be heard for an unknown reason.
  • This episode shows the second time customers spitting out food after being disgusted while overhearing Mr. Krabs words to SpongeBob. The first was "Suds" where Mr. Krabs says "I don't want you sneezing all over my food" to him. In this episode, Mr. Krabs says "The kitchen is no place for a live horse."
  • Apparently, Scooter and his friend were not aware that the "kiddy ride" is alive.
  • In this episode Squidward says, referring to the Krusty Krab, "The food's no good here anyway," but in the episode "Just One Bite," he enjoys Krabby patties, meaning that this episode takes place before that one.
  • Even though there is no reference to Christmas or anything related to that, this episode takes place after "Christmas Who?" because this episode takes place during the springtime, and takes place after "Help Wanted," and both "Christmas Who?" and "Help Wanted" take place on the same month.
  • This is Tina Fran's 25th episode appearance.
  • This is the 100th episode in order of airing in the US.

Cultural references

  • Mystery's nickname, "Sir Eats-A-Lot," is a reference to Sir Lancelot, one of the most famous knights from the tales of King Arthur of Camelot.
  • The title of the episode is most likely a parody of My Little Pony.
  • During the montage, Mystery paints SpongeBob like in "Titanic".
  • The ending, where SpongeBob chases away Mystery, references to Harry and the Hendersons.
  • This episode has similarities to the episode of The Little Mermaid (TV series) "Stormy."
  • SpongeBob's refusal to set Mystery free despite Mr. Krabs' warning and the latter eventually taking his boss' advice at the end of the episode is a reference to The Powerpuff Girls episode "Helter Shelter," where Bubbles refuses to free a baby whale despite Professor Utonium's warning that no animals should be brought home.


  • Among the things eaten by Mystery is SpongeBob's Krusty Krab Employee Hat, but in a later scene, where he is attempting to give Mystery a bicarbonate soda, his whole hat is back.
  • On the closed-captioning on the Halloween DVD, "SpongeBob's" name is spelled as "Spongebob" without capitalizing the first b in his name.
  • In one scene, SpongeBob is shown holding the bag of hypoallergenic flowers, but a few seconds later, the bag disappears.
  • In this episode, Paul Tibbitt's name was spelled wrong in the opening credits with the final T removed.
  • In one part of the episode, British television company Sky captioned Old Man Jenkins as "Old man jankins" instead of "Jenkins."


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