Mr. Eugene H. Krabs
Mrs. Puff/Mrs. SquarePants
SpongeBob SquarePants/Gary/Mr. SquarePants/Narrator/Various Others
When SpongeBob puts the belt around his head, the belt buckle and the piece of belt that goes through it disappear.
When SpongeBob and Patrick said, "We hate you!" when it showed Squidward, the belt was in SpongeBob's pants. But when they scream, it was under his nose.
Since when there could be a fire at the Krusty Krab if they're underwater?
In "Opposite Day," when Squidward was saying, "Its not my birthday!" his mouth didn't move when he said "birthday."
Squidward made Opposite Day. So, at the end, when he was going after Spongebob and Patrick in the bulldozer, wouldn't that mean SpongeBob's last comment ("Don't you ever have the feeling Squidward likes us too much?") be the truth?
When Patrick tells SpongeBob he'll make him a trophy, SpongeBob replies that he is a jellyfish. People catch jellyfish, though, so why was he so surprised?
When the realtor is going to sell Squidward's house, she says she can sell it as long as it isn't infested with nematoads. However in "Home Sweet Pineapple" SpongeBob's house gets eaten up by nematoads. If Squidward's house was infested, it would have gotten all eaten up already, since they eat everything so fast.
When SpongeBob gives everyone poison sea urchins after the group hug, Sandy gets them too, which is impossible because she is wearing a full waterproof bodysuit/spacesuit.
SpongeBob was pretending to be Squidward because the actual Squidward was cleaning his house. The opposite of clean is filth, therefore he was actually ruining his house. SpongeBob usually wrecks his own house, so Squidward was supposedly pretending to be SpongeBob. However, when SpongeBob was pretending to be Squidward, he was acting like the real thing. Therefore, he was actually acting like his normal self. Patrick was actually doing it right when he was singing "I'm Squidward! I'm Squidward!"
When SpongeBob figures out he has to be Squidward to be opposite, Patrick wants to be Squidward, too. He picks up some purple coral by Gary which he gives to Patrick to put on his nose, the coral isn't there before or after.
In "Nature Pants," after SpongeBob was stung by the jellyfish, in the cave he had sting bumps, but when he went outside the cave, the bumps were gone.
In "Opposite Day," when SpongeBob says to the real estate agent, "I won't take no for an answer," but it should be "I won't take yes for an answer." Because he wanted to take her around the rest of the house, and when he said "no," then that means he doesn't want to take her upstairs, but he does.
SpongeBob: I am happy here. This is my home now.
SpongeBob: Hello, Squidward! Oops. I mean, goodbye, Squidward! Isn't Opposite Day just...TERRIBLE?!
Squidward: You know what's terrible? Having you as a neighbor!
SpongeBob: Wow! That's the nicest thing anyone's said to me!
Squidward: (makes his hand go down his face)
SpongeBob: I don't get it. I messed up my house. Which made Squidward clean my yard. But the opposite of clean is filth, but I'd normally wreck my own yard, which means Squidward's being the opposite of Squidward, which means he's SpongeBob! Aha! I understand everything now!
SpongeBob & Patrick: (singing Happy Birthday song)
Happy Happy Birthday, Happy Birthday Cake!
Happy Happy Birthday, Pin the tail on the Seahorse!
Happy Happy Birthday, Happy Birthday, Squidward!
(noisemaker blows, SpongeBob and Patrick leave)
Squidward: IT'S NOT MY BIRTHDAY!!!!!
SpongeBob: What have I done? I had a great life and friends, and I gave all of that up. (walks into his house, turns on the lights; Spongebob's friends are there)
Patrick, Sandy, & Mr Krabs: Welcome home, SpongeBob.
(Squidward blows the party horn)
(SpongeBob takes off his pants and runs to Jellyfish Fields)
Squidward: He took off his pants.
Sandy: I'll give him a week.
Squidward: I'll give him 11 minutes.
(Squidward and Sandy leave, but Patrick stands there holding back tears)
Patrick: PATRICK SAD!!!!
SpongeBob: KcirtaP ,yeh.
Patrick: .Pu evig I!
SpongeBob: Edis etisoppo eht ot teg ot! (Both laugh backwards)
SpongeBob: Patrick! Patrick, breathe! Not that opposite. Let me show you how to do it... the wrong way! (Cut to a montage; SpongeBob and Patrick run by, but Spongebob is pink and Patrick is yellow; Gary sits at a table for a fancy dinner, while SpongeBob eats Gary's food and meows; Patrick sits in newspaper and meows too. SpongeBob and Patrick go to blow a bubble, but they actually blow themselves up into bubbles; Patrick pops; SpongeBob and Patrick then talk and laugh backwards)
SpongeBob: Company! (Remembers that it's opposite day) I hate company!
SpongeBob: (In jellyfish hive) Mmm! Jelly! (Eats jelly hungrily)
(Jellyfish swarm up to hive)
SpongeBob: Ah, my jellyfish brethren are returning!
(Jellyfish swarm into the hive)
SpongeBob: Greetings, comrades!
(Jellyfish sting him)
SpongeBob: AHH!!! Ow! Ooch! OW OW! Oooh! Ahh! Eek! Ouch! Ouch!
Patrick: Opposite Day? Hey, I've heard of that!
Patrick: No, what is it?
Mr. Krabs: What's wrong, boy?
SpongeBob: Well, I...
Mr. Krabs: This is the fourth time this week that I had to scrape you off something.
SpongeBob: Well, I won't be needing these anymore. Buzz, buzz, buzz.
Squidward: He took off his pants.
SpongeBob:: Whatever you normally do, today you do the opposite.
Patrick: Let me try. (breathes in until Patrick turns purple then blue)
SpongeBob: Patrick, breathe!
(Patrick breathes and turns back to his pink color)
SpongeBob: Not that opposite! Let me show you how to do it the wrong way.
Patrick: SpongeBob, come back!
Spongebob: I'm not coming home.
Patrick: But I miss you! Sandy misses you! Even Squidward misses you! (Scene changes to Squidward having a party)
SpongeBob: I'm happy here. This is my home now.
(Sandy drags Patrick away from SpongeBob)
Patrick: Noooo, SpongeBob!!
SpongeBob: (Like Squidward) DON'T!!!
Patrick: (Like Squidward) Go!
SpongeBob: Too bad it only comes once a year. Huh, Gary?
SpongeBob: Gary! Where's your holiday spirit?
Squidward: HAPPY OPPOSITE DAY!!!!!!!!!!!!!!!
Squidward: (While fixing SpongeBob's house) Opposite day. Next time, it's going to be "go-jump-off-a-cliff day."
(Patrick knocks on SpongeBob's door)
Patrick: Hey, SpongeBob!
SpongeBob: (Thinking) Patrick, opposite day. Go away!
Patrick: Huh? SpongeBob doesn't like me anymore?!
SpongeBob: Yup. You're my worst enemy!
Squidward: Please, sell my house!
Real Estate Agent: I wouldn't sell a house for you ... if you were the last Squidward on Earth!
Real Estate Agent: Could you tell me the good things about the house?
SpongeBob: (As Squidward) Hmmmm... good... Opposite Day.... why, sure! The walls creak, the roofs leak, and there's a terrible draft.
Real Estate Agent: Okay...
SpongeBob: (As Squidward) Please, let me finish. The winters are brutal, the summers are hard... and there's a wild man-eating clam in the backyard!
Patrick: I'M SQUIDWARD, I'M SQUIDWARD, I'M SQUIDWARD SQUIDWARD, SQUIDWARD!!
SpongeBob: You can't just LOOK like Squidward, Patrick - ya gotta ACT like him, too.
Patrick: Okay... (Takes a deep breath) I'M SQUIDWARD, I'M SQUIDWARD, I'M SQUIDWARD SQUIDWARD, SQUIDWARD!!
Sandy: Here, Patrick. (Holds up Krabby Patties) Have a Krabby Patty. (Sees SpongeBob) There he is, Patrick! Say your lines!
Patrick: (Reading from a piece of paper) Why, thank you, Sandy, I would love one. "[TAKE PATTY.]" (Takes it) Too bad SpongeBob isn't here. (Sobbing) These were his favorite, I sure wish he'd come home. (Sobs) "[TAKE BITE.]" (Holds it to his mouth) AAAHHHHH!!! (Sobs)
Real Estate Agent: He's Squidward,he's Squidward, you're Squidward... I'M SQUIDWARD! Are there any other SQUIDWARDS I should know about?!
Gary: (In Squidward's voice) Meow.
Real Estate Agent:: (Frowning) I'm outta here!
Squidward: Let me show you guys how much I... HATE YOU!!!
SpongeBob: Patrick, did you ever get the feeling that Squidward likes us too much?
This is the 1st time (out of 3) that the show length is referenced. This is also the 1st time (out of 2) that Squidward references it.
This episode can be found on the Game Boy Advance Video Cartridge Nicktoons Collection: Volume 2.
This episode marks the first time Gary says something other than meow (when he says "woof").
SpongeBob's seen eating a Krabby Patty for the first time. Note: If you mean from when the series started, then you're right. However, if you mean since Spongebob's birth date, it is seen in Truth or Square when baby Spongebob watches a commercial about The Krusty Krab and then he is seen eating one. This would then possibly (but very unlikely) make the Krabby Patty he eats in this episode his second.
"Opposite Day" won under the letter "O" of the Atlantis SquarePantis marathon.
Larry does not appear in this episode.
"Nature Pants" is the second of four episodes on the video "SpongeBob BC".
Pearl doesn't appear in this episode.
Plankton and Mrs. Puff do not appear in this episode.
"Opposite Day" ranked as #54 and "Nature Pants" ranked as #43 in the "Best Day Ever" Top 100 Episodes Countdown.
Mr. Krabs and Sandy do not appear in "Opposite Day."
DVDs these episodes are on:
"Nature Pants": SpongeBob Goes Prehistoric.
"Opposite Day": Tide And Seek.
When SpongeBob and Patrick are talking backwards, they are saying: (Laughing) "To get to the opposite side," "I give up," & "Hey, Patrick!"
In Bikini Bottom, "Opposite Day" takes place on a Wednesday.
This is the first time Gary was in two episodes.
Funny Funk Show
The episode "Opposite Day" is named onto Funny Funk Shows first episode "Its Opposite Day Today" coming in August 22 2010 on Youtube.
After SpongeBob leaves, Squidward and Sandy try to guess how much days before he comes back. Sandy guesses a week, but Squidward guesses 11 minutes. This is a reference to approximately how long an average episode is.
Pin The Tail On The Seahorse is a parody of the game Pin The Tail On The Donkey.
Patrick: (Hanging over SpongeBob on that rock/coral)
Patrick does this like Michael Myers from the Halloween series.
Patrick: (Music plays in the backround) If I can't have you as a friend, I'm gonna make you a trophy!
Crazy music like that plays when people go crazy in movies.
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