This episode marks the third appearance of ManRay, although his first without a major leading role.
During part of the story with Sandy, the anchor symbol on SpongeBob's hat disappears.
This is the second time the Pipsqueak Patty was shown or mentioned.
At first, Patrick's shirt said "I'm With Stupid", but in the next scene the sign wasn't there.
As seen in "Mermaid Man Vs. SpongeBob," Barnacle Boy has dandruff.
In one scene of "Mermaid Man Vs. SpongeBob," there is a long line waiting outside of the Krusty Krab for Mermaid Man and Barnacle Boy, but the line disappears and isn't seen for the rest of the episode.
During Sandy's version of SpongeBob's re-telling of his fight with Jack M. Crazyfish, he tells her he knocked off his hairpiece, which caused him to run away in tears. However, Jack M. Crazyfish was not wearing a hairpiece before SpongeBob kicked it off and is not seen wearing one in any of the other scenes he's in; he only wears a small, green hat.
The brainwashing shampoo by Plankton is similar to the brainwashing shampoo idea in Kim Possible.
SpongeBob: (about Jack M. Crazyfish) He is real.
Plankton: Oh, no. Those infernal Krabby Patties. Their grease-fried deliciousness could be enough to free Mermaid Man and Barnacle Boy. (Plankton turns a switch to slap Mermaid Man from eating a Krabby Patty. He makes him throw one away and then stomp on the other. Then they walk out but are stopped again by SpongeBob.)
Squidward: The Krusty Krab welcomes... (reads the card in his hand) the Tarpon twins' birthday party. Here are your Krabby Kids Meals. (all the kids dive in and take Squidward with them)
Plankton: Never trust kids, Squidward. Never trust kids.
Plankton: Hey, everyone, I made Chummy Joes!!!
Mr. Krabs: Uh, hey, kids. Uh, well, there's Mermaid Man and Barnacle Boy... in the ball room. (all the kids run inside the ball room and Mr. Krabs closes the door behind them to keep them inside) SpongeBob?
SpongeBob: Yes, sir.
Mr. Krabs: Go get those AWOL do-gooders you talked me into hiring and bring their putouts back here on the double.
SpongeBob: Aye aye, Mr. Krabs.
Mermaid Man: We cannot escape, Barnacle Boy. He's too strong. Like the unbeatable taste of a Krusty Kids meal. (Manray's maniacal laughter stops)
Manray: The delicious new treat no mortal can resist?
Barnacle Boy: Yup.
Woman: Um, guys? Guys? The train!
SpongeBob: Whoa, stop. (horse stops) There, there. You're safe now little lady. (maniacal laughter coming from a man)
Man: You fool. You've falled into my trap. Now you're mine, SpongeBob the strong.
SpongeBob: So, we meet again, Crazyfish.
Jack M. Crazyfish: Bring it on.
(SpongeBob is riding on his horse, and muscular, and is saving a woman tied on the railroad tracks screaming)
SpongeBob: Hey, yah!
Woman: Help, help.
SpongeBob: Oh, my gosh! You guys live in a dump.
Plankton: You two look like a couple of ladies men.
SpongeBob: A tough guy can go to work at any time.
SpongeBob: That is exactly what I mean, Patrick.
SpongeBob: Go away, Gary, I'm busy.
SpongeBob: Why didn`t it work? I know! Their aged bellies can`t digest the krabby patties.
SpongeBob: (about Jack M. Crazyfish) You've never seen anyone like this guy, Patrick. He was about 60 feet tall. Yeah, he was big and mean. Oh, but ol' SpongeBob here knows how to teach a lummox some manners.
Patrick: What did you do?
SpongeBob: I handled him the same way I handle all enormous muscle-bound villains.
Patrick: With tears?
SpongeBob: No, with a little this! (kicks in the air) Hiya!
Patrick: There goes the hero.
Plankton: (sees Karen in the Krusty Krab) Karen?! My own wife?! Ooh, how Krabs bought me!
Karen: (rolls in with a Krabby Meal) Hi, honey.
Plankton: What's that? A souvenir from your boyfriend, Krabs?!
Patrick: We'll settle this like men! We'll sue him!
SpongeBob: (after all of the confusion) For a second there, I thought I gave my self a... (trips on lid, causing the wrench to hit his eye) ...black eye.
We learn that Jack M. Crazyfish is real at the end of "Blackened Sponge."
Plankton doesn't appear in "Blackened Sponge."
Character Debut: Jack M. Crazyfish.
This episode is available on the To Love a Patty DVD.
Sandy makes a cameo appearance in "Blackened Sponge."
The music used for the battle between Fry Boy (SpongeBob) and brainwashed MM&BB is the theme song for the International Justice League of Super Acquaintances (IJLSA) from Mermaid Man & Barnacle Boy V.
When SpongeBob is throwing stuff out of his drawer to look for a wrench, you can see SpongeBob has a 'I'm With Stupid' shirt.
Larry is not in the episode, and Sandy doesn't appear in "Mermaid Man vs. SpongeBob."
This is the second episode where Mermaid Man and Barnacle Boy make an appearance without the title being named after them.
This is Perch Perkins' season five debut.
Featured Alias: SpongeBob as Fry Boy and Plankton as Professor Plankton.
Kid's Meal: Box
When it shows on the Kid's Meal box Mr. Krabs, it's similar to the KFC Fried Chicken boxes with Colonal Sanders on the box.
SpongeBob's toothpaste is called Krust, which could be a parody of Crest, a common brand of toothpaste.
In "Mermaid Man vs. SpongeBob," towards the end, Plankton walks out and says, "Hey, everybody, I made chummy joes" similar to the hamburger industry Sloppy Joes.
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