It starts with SpongeBob feeding Gary. He accidentally drops the food and chaos comes. Then, SpongeBob goes to work. Gary tries to come with him but SpongeBob can't bring pets to work and leaves Gary. Gary then turns on the TV and watches a cowboy show.
At the Krusty Krab, a customer comes in with his pet worm. SpongeBob explains that people can't bring their pets. The man is just about to leave when Mr. Krabs came and told him to buy Krabby Patties. He says to the man that he is a responsible pet owner. Then, SpongeBob feels that Gary is lonely after what Mr Krabs says, and decides to buy a pal for him.
He spots a stand with ridiculously cute Nudibranches. SpongeBob sees a cute green one with purple eyes, huge pink lips and blue fins He says he wants that one, but an old peddler woman (she owns the Nudibranches) warns him that looks can be deceiving because the Nudibranches are violent and dangerous, especially around other animals. Naturally SpongeBob ignores her warning and takes it home anyway while lady says to herself that the people never listen.
When he gets home Gary is watching TV. SpongeBob gets in front of the screen to show Gary his new friend, then leaves to make enchiladas. While in the kitchen, Gary is chewing his toy in front of Puffy. Puffy then growls and scares Gary to go behind the couch while Puffy chews his toy apart. Puffy, about to bite Gary, sees that SpongeBob is coming back and turns himself back to a nice Nudibranch. SpongeBob gets Gary's bowl and makes a slash on it with marker. On the other side of the slash, he writes "Puffy Fluffy". Gary starts to eat when Puffy Fluffy Growls at him again. Then Puffy eat every single piece of food in the bowl. SpongeBob sees that Gary is hiding from Puffy again. Gary then jumps on SpongeBob while Puffy looks like he has absolutely no idea why Gary's on SpongeBob. SpongeBob tells Gary he is going to sleep with Puffy Fluffy tonight. When he puts Gary in the bed, he hisses at Puffy.
During the night Gary wakes up and sees Puffy's skin on the bed. He walks in the kitchen to see a huge eel eating in the refrigerator. The eel is revealed to be Puffy Fluffy! He seems to now have five tongues with a mouth on each. Puffy then attacks Gary.
Gary is relieved when SpongeBob enters the kitchen, only to be shocked when instead of helping him his owner starts berating him for his destruction and how he's still treating Puffy, even when the eel is clearly about to eat him. He been told him that he try check out and Puffy uses its tongues and grabs onto SpongeBob, who's still berating his snail even as he's about to be eaten. It's up to Gary to save his master. Using a leash he whips at Puffy, driving it from the Pineapple home. SpongeBob chases after the beast crying for it not to go, then turning and admonishing Gary for chasing Puffy away, to which he gets an ruthless glare.
SpongeBob brings Gary to work the next day so he's not lonely and also SpongeBob wasn't blame Gary anymore, and then Mr. Krabs give Gary a spatula to help Gary back to work. Gary meows in a dissapointed tone.
( ‣ ) Associated production music
( • ) Original music
( ◦ ) SpongeBob music
• ? - Sage Guyton, Jeremy Wakefield [title card/opening] ‣ ? [Gary turns on the TV] • ? - Jeremy Wakefield ["Poor little snail."] ‣ ? [Gary watching TV] •Botany Bay - Michael Bolger, Nicolas Carr [at the Krusty Krab] • ? - Jeremy Wakefield [no pet policy] ‣Drama Link (d) - Hubert Clifford ["Eh?!"] • ? - Michael Bolger, Nicolas Carr ["Hey, let's not be hasty."] • ? - Jeremy Wakefield [SpongeBob feels guilty] ‣ ? [Gary still watching TV] •Steel Licks - Jeremy Wakefield [SpongeBob calls Gary] • ? - Jeremy Wakefield ["My outgoing message is a lie."] ‣ ? [SpongeBob leaves a message] ‣ ? [closing time] • ? - Michael Bolger, Nicolas Carr [Krabs re-tarring the parking lot] • ? - Jeremy Wakefield ["Poor Gary's been home alone all day."] ‣ ? ["Wow, Dad, is it really mine to keep?"] ‣Why Am I So Poor? B - Laszlo Borteri [SpongeBob buys another pet] ‣ ? [Gary still watching TV] ‣ ? ["I brought you a surprise!"] ‣Tales from the Swamp (c) - Ron Goodwin [Puffy Fluffy roars at Gary] ‣ ? ["Eat up, you two."] ‣Jarabe Tapatio (a) - Gerhart Frei, Carlos Periguez ["I'm gonna make some enchiladas."] • ? - Ron Wasserman [Puffy Fluffy eats the entire food bowl] • ? - Nicolas Carr ["I hope you're happy now."] ‣Finger of Fear - Fredric Bayco [Gary has to share his bed with Puffy Fluffy] ‣ ? [SpongeBob goes to bed] ‣Drama Link (f) - Hubert Clifford [Gary enters] ‣Rock-a-Bye Baby - traditional["See? There he is, fast asleep."] ‣Drama Link (c) - Hubert Clifford [balloon deflates] ‣Cellar Search - Philippe Pares [Puffy Fluffy's grown to gigantic size] • ? - Ron Wasserman [Puffy Fluffy roars at Gary] ‣Lullaby Box - Leo Nissim [SpongeBob talking in his sleep] ‣Abject Terror - Paul Lewis [Puffy Fluffy chases Gary] ‣Stealth by Night - Jack Coles ["Mmm, you're making meatballs, Grandma?"] ‣Sword Fight - Harry Bluestone, Emil Cadkin [Gary putting out the fire] • ? - Nicolas Carr ["Huh?"] ‣Alone in the Old House - Gregor F. Narholz [SpongeBob's library destroyed] ‣Terror - Alan Braden [Gary's about to be eaten] ‣Sword Fight - Sam Fonteyn [SpongeBob breaks down the door] ‣Tales from the Swamp (a) - Ron Goodwin ["Gary!"] •Horror House of Wax Retro 2 - Nicolas Carr, Ron Wasserman [Puffy Fluffy tries to eat SpongeBob] ‣ ? [Gary saves SpongeBob] • ? - Michael Bolger, Nicolas Carr [ending]
In this episode, when Fred first appears he isn't with his son. But later, when Fred buys a nudibranch, he is with his son.
The theme of getting a pet from a mysterious old person that is potentially dangerous having a cute creature become a monster, and a good pet destroying the monster parodies 'Gremlins'. Only more so as SpongeBob blatantly ignores the peddler's words of caution and just breaks into her caravan and takes one without permission.
This is often considered by fans and critics to be one of the worst episodes in the series, mainly due to SpongeBob being incredibly spastic, comtting a crime, and saying that Gary was hurting Puffy Fluffy and also said that Puffy Fluffy will eat Spongebob for good, while it was clearly the complete opposite.
Nudibranchs, also known as Sea Slugs, are worm-like creatures, but in this episode, they're portrayed as plump, fluffy fish.
Puffy Fluffy tries to eat SpongeBob, which is appropriate, since nudibranchs eat sponges, so we don't put Puffy Fluffy's enemies.
SpongeBob seems extremely out of character in this episode. His stupidity and ignorance in this episode and it worst than Patrick and is clearly forced, showing his antagonistic side, towards his treatment of Gary, easily blaming him for the destruction in the house, not realizing Gary wouldn't do anything like what he blames him for, and thinking Gary turned into the giant monster that Puffy Fluffy became and tried to eat Gary. This is most likely why SpongeBob became the secondary antagonist of this episode.
This episode is one of the series worst received episodes due to SpongeBob's short attention span and his harsh treatment of Gary.
The scene where Puffy Fluffy's monstrous form attacks can be scary for younger and/or sensitive viewers.
Despite Spongebob's behavior towards Gary and stealing Puffy Fluffy, he never was punished for his actions, even though he should have.
It appears there was Indiana Jones-like music when SpongeBob was about to break down the door.
The episode may be reminiscent of the fairy tale "The Boy Who Cried Wolf".
Mr. Krabs told SpongeBob to come in five hours early at work so he should have woken up at 4 a.m. instead of 9 a.m.
SpongeBob's pants were ruined, however, when got to the Krusty Krab, he wore his pants. It could be possible that he bought one or picked out another before going to work, considering he has a multiple amount of the same pants.
SpongeBob actually stole Puffy Fluffy from the gypsy; he wasn't seen paying her anything for Puffy.