In "I Was a Teenage Gary", Patrick threw a shoe at Squidward, which is an insult in Islamic countries.
When you see the children screaming, you see a kid dressed up as pirate with the eyepatch over his left eye. When you see the children again, the children are scattered and the kid dressed up as a pirate had the patch on his right eye.
"I Was A Teenage Gary": Squidward looked taller than usual when he was wearing the blue bathing suit.
How did SpongeBob and Gary get inside the pumpkin without cutting it?
In "I Was a Teenage Gary", Squidward says he never wants to see another snail again, however in "The Great Snail Race", despite what he said, he adopted a snail named Snellie.
SpongeBob reveals he's a lefty.
When SpongeBob begins to transform into a snail, he loses his arm and says that it doesn't matter, he's a lefty, but it was his left arm.
The song that SpongeBob and Squidward are singing with Gary is "Blow the Man Down." Which is the song that the SpongeBob theme song imitates on its rhythm.
The Flying Dutchman is the first one to be scared of SpongeBob's brain.
This is the first (and, so far, only) time SpongeBob turns into a snail.
Everyone was scared of SpongeBob's brain, especially Patrick. Why wasn't Patrick scared when he did SpongeBob's shape?
Spongebob didn't have enough room on the bottom of the pumpkin on the inside to carve the mouth, but had enough on the outside.
SpongeBob says he's a lefty in "I Was a Teenage Gary," but we see him writing with his right hand in several episodes, including "Procrastination" and "No Free Rides" and it was his left arm that comes off.
There is a keyhole on SpongeBob's door that is never there again.
SpongeBob: Okay, Mr. Krabs. The dishes are done. I'm leaving.
Mr. Krabs: Hold on! Don't you want to hear my annual scary story?
SpongeBob: No thanks, Mr. Krabs. Does it have monsters in it?
Mr. Krabs: Aye, the worst monster of them all.
SpongeBob: No. Is it a true story?
Mr. Krabs: True as the deep blue.
SpongeBob: Okay, just a little.
Mr. Krabs: Every year, on Halloween night, the Flying Dutchman descends onto Bikini Bottom in a pirate ship, just like this! (holds up a Krabby Patty)
SpongeBob: Er, did his ship look like a Krabby Patty?
Mr Krabs: As I was saying, the Flying Dutchman swoops down, and starts stealing peoples souls. (pulls the pickles out of the patty)
SpongeBob: Do souls look like pickles?
Mr. Krabs: Aye, as a matter of fact, they do!
SpongeBob: Gary, it's Patrick! I'm gonna scare him. It's my turn to be scary! (opens door) RAAARR!!
Patrick: (wearing silly glasses with big nose and mustache) Hi, SpongeBob!
Patrick: ...sorry, I didn't mean to scare you.
This is the ending credits theme song for this episode only:
Patchy the Pirate: All right, boils and ghouls, you ready?
Who lives near a graveyard under the sea
Absorbent and yellow and spooky is he
If nautical chills be something you wish
Then spread your gills out and flop like a fish
Spongebob: What do you think?
Patrick: Great! You'll be going as my trick-or-treat bag!
Spongebob: No, no, I'm the ghost of the Flying Dutchman!
Patrick: Uh... something's missing. I know! (running to the closet, he hand-saws the tree) Step into these babies, Hans. Terrifying...
Spongebob: I don't know Patrick. (doorbell rings, giggles heard)
Patrick: Come on, Spongebob. It's little kids! Little kids are easy to scare!
Spongebob: Rawr... rawr! (kids laugh at him)
Kid 1: (taunting Spongebob)Look, it's the haunted mattress!
Spongebob: OK, OK. Here's your candy.
Kid 1: No, please. That was enough of a treat, thank you. (kids continue laughing)
Spongebob: Squidward, you injected me with snail plasma.
Squidward: Well... you made me do it.
Spongebob: What's going to happen to me?
Squidward: Nothing, it's just a little snail plasma.
Spongebob: I don't know, I feel kind of funny!
(Gary crawls to his bowl full of water. He then drinks, gargles, swallows the water, meowing perfectly)
Squidward: (surprised, then angry) He just needed water!?
Spongebob: Gary! You're better! (hugs Gary)
Squidward: Oh, how touching. I'm going to go home and throw up. Good night!
Spongebob: Wait, Squidward! The snail plasma!
Squidward: Trust me Spongebob, nothing's going to happen to you. You're fine! (Slams the door)
Dutchman: (laughs evilly, scaring the guests)
Dutchman: First, I got to get rid of this stupid costume. (taking off the costume, his eyes grow big. He flees scared quickly)
SpongeBob: Hey, what do you know? I scared him! (laughs)
SpongeBob: It worked, Patrick. I scared everybody!
Patrick: Yeah, it must have been because of your pink hat.
SpongeBob: Oh, that's not a hat. That's my brain.
Patrick: Oh... (gasps, then runs screaming)
SpongeBob: Don't worry, it grows back!
Spongebob: Don't worry Gary, Squidward says I'm just fine. He knows everything. So, you hungry?
(Spongebob pours cat food on Gary's bowl. One by one, he takes a dip to see how it tastes, eventually finishing every bit)
Spongebob: Her'es your dinner, Gary!
Gary: (Meows confusedly)
Spongebob: Sorry Gary, I couldn't control myself. (burps) MEOW. Why did I just do that? Am I cracking up?
Spongebob: No, no, Squidward's right. I'm fine. I worry too much. It's all in my head. I'm tip-top!
(Spongebob walks up slowly with Gary)
Spongebob: Gary, you've gotten a lot (voice slows down) faster.
(Approaching his bathroom, he looks at himself distorted)
Spongebob: Look at me, never better! (His body begins a mysterious transformation) I'm OK, Squidward says I'm fine! (screams while his eyes pop out and flings up) Gary, I'm fine! (drops to the floor while straining) See? (His arms disappear) That's OK, I'm a lefty anyway. (His legs disappear) Now I don't have to buy those new shoes! (his body curls up like a snail) Aah! I take it back, Gary. Something is wrong with meeeee-ow!
Spongebob: Rargh! I'm the Flying Dutchman!
Patrick: Rargh! I'm the Flying Dutchman's best friend!
Girl 1: Wasn't that the haunted mattress?
Girl 2: I guess he got demoted to haunted sleeping bag!
Doctor: Yes, yes, it's just what I thought.
Doctor: This is definitely a snail.
Spongebob: (sobbing) I knew it! Oh Squid, did you hear that?
Doctor: Therefore, a shot of snail plasma must be carefully administered. Here you go. (hands it to Sponge)
Spongebob: Aren't you going to do it?
Doctor: Oh no, no, no. I'm too squeamish. (he leaves, Squid runs after)
Squidward: Uh, hey, doc, let me help you with your bag there.
Spongebob: Squid, wait! I can't give Gary his plasma. I'm squeamish too.
Squidward: Aw, Spongebob, I don't want to… (Gary wheezes violently)
Squidward: OK, OK, I'll do it. (he grabs it)
Spongebob: Now, don't hurt him, Squidward. (every time Squid tries to do it, Sponge pulls him away. Eventually, it goes so fast that Squid accidentally hits Spongebob in the nose) Squidward, you're injected me with snail plasma.
(Mr. Krabs is bobbing for apples. He gets one and starts to choke on it.)
Pearl: Oh, DADDY! You're embarrassing me! (cries)
(Spongebob sees Patrick playing with a ghost puppet)
Spongebob: That's it, Patrick!
Patrick: What's it?
Spongebob: What is the difference between me and that ghost puppet?
Patrick: (Constantly switching to Spongebob and his ghost puppet) Uhh...no wait, don't tell me, don't tell me. Don't tell me, don't tell me! Don't tell me, don't tell me! Don't tell me!! Don't tell me!!! DON'T TELL ME!!! ...Okay, tell me.
(Spongebob tries to scare the three kids at his front door with his costume.)
Spongebob: Rar, Rarr, Rar!
(The kids laugh)
Girl: Check it out! It's the Haunted Mattress!
Spongebob: (sigh) Okay, here's your candy.
Girl: No, that was enough of a treat, thanks.
(The three kids walk away laughing)
Kid: Flying Dutchman? More like Flying Dopeman!
Spongebob: Gary, would you like some food?
(takes out Gary's food and tries out his food)
Spongebob: Here you go, pal. Eat up!
(Gary sees there's nothing in the plate)
Spongebob: Sorry, Gary. I couldn't control myself.
Spongebob: Rar!!! I'm the Flying Dutchman!
Patrick: Rar!!! I don't know who I am!
The Flying Dutchman: (to Spongebob) Look, kid, there are many scary things in this world. Spiders are scary. I'm scary. But you, you're not scary.
(Soon after, the Flying Dutchman takes Spongebob's costume off, which reveals Spongebob's brain. He, and soon everyone, runs away.)
Sandy: I'm a goldfish in a bowl!
Squidward: (frowning) I don't get it.
Patrick: I am the Flying Dutchman, booga wooga wooga wooga wooga!
(Squidward scaring Spongebob)
Squidward: (Dressed as Flying Dutchman) I have come for your pickle.
Gary: Meow, meow meow, meow meow.
SpongeBob: Meow, meow, meow, meow.
Squidward: Meow, meow, meow, meow, meow, meow.
Patrick: Will you CLAM UP?!
Patrick on the megaphone: I'm not Spongebob! Those are my street clothes!
SpongeBob: It worked, Patrick, I scared everyone.
Patrick: Yeah, maybe it was your pink hat.
SpongeBob: Pink hat? Oh, that's not a hat, that's my brain.
Patrick: Oh..... AAAAHHHHHHHHHHHH! (runs away)
SpongeBob: Don't worry, it grows back.
Spongebob: You're right Gary! Something is wrong with mmeeeeoooowwww!
SpongeBob: (Turning into a snail) Gary you're getting a lot faster.
A clip of SpongeBob burping in "I Was a Teenage Gary" was used in the 2009 Kids' Choice Awards.
This is the first episode where Mrs. Puff appears, but her Boating School doesn't.
We learn that if the snail plasma is injected on a creature that isn't a snail, the creature will transform into a snail.
"I Was a Teenage Gary" won under the letter "I" of the Atlantis SquarePantis marathon.
Mrs. Puff makes a cameo appearance in "Scaredy Pants".
These episodes usually only air around Halloween.
Character Debut(s): The Flying Dutchman, Doctor Fish.
Sandy doesn't appear in "I Was a Teenage Gary".
This episode was the first SpongeBob special.
Mr. Krabs and Mrs. Puff don't appear in "I Was a Teenage Gary."
Plankton doesn't appear in this episode and Sandy doesn't appear in "I was a Teenage Gary."
"I Was A Teenage Gary" ranked as #41 and "Scaredy Pants" ranked as #19 in the "Best Day Ever" Top 100 Episodes Countdown.
We learn SpongeBob is easy to scare on Halloween.
"Scaredy Pants" is the first SpongeBob episode to be based on a holiday.
No one got the idea of Sandy's costume.
This is one of the few episodes where SpongeBob was happy to leave the Krusty Krab right away.
In the British broadcast of this episode, the part where Patrick is cutting chunks of SpongeBob's head is snipped out.
There is a scream you hear from Rocko's Modern Life in this episode(Scaredy Pants) .
This was the first mention of an annual gathering called "The Jellyfish Convention" supposedly located in "Ukelele Bottom" This convention is where another later episode "I'm your biggest fanatic" is done.
SpongeBob was the Flying Dutchman, Patrick was Groucho Marx, Mrs. Puff was a witch, Pearl was the Wife of frankenstein, Sandy was a goldfish, Squidward was the Flying Dutchman as well.
Both of these episodes are on the "Halloween" VHS and DVD.
In this episode, the credits have a different song. The song is named "Scaredy Pants".(music video available in SpongeBob SquarePants: Halloween DVD).
Special Musical Guest: The Ghastly Ones.
This is the first appearence of the Flying Dutchman. (Though he was mentioned in "Squidward, The Unfriendly Ghost")
I Was a Teenage Gary's title is a reference to the film I Was a Teenage Werewolf.
Title: I Was A Teenage Gary
The title could also be a pun on I Was A Teenage Zombie.
Title: I Was A Teenage Gary
Reference to "I Was A Teenage Frankenstein."
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