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Mermaid Man vs. SpongeBob

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Episode Information
Mermaid Man vs. SpongeBob
Season №: 5
Episode №: 94b
Airdate: August 3, 2007
Sister episode(s): "Blackened Sponge"
Guest(s): Ernest Borgnine as Mermaid Man
Tim Conway as Barnacle Boy
John Rhys-Davies as Man Ray
Writer(s): Nate Cash
Tuck Tucker
Eric Shaw
Supervising Producer: Paul Tibbitt
Storyboard: Nate Cash
Tuck Tucker
Animation: Tom Yasumi
Creative: Vincent Waller
See all credits for this episode.
Previous: "Blackened Sponge"
Next: "The Inmates of Summer"
List of episodes

"Mermaid Man vs. SpongeBob" is a SpongeBob SquarePants episode from season five. In this episode, Plankton hypnotizes Mermaid Man and Barnacle Boy.




SpongeBob introduces Mermaid Man and Barnacle Boy to the Krusty Krab, by including toys in the new meal for children. Mr. Krabs' profits increase, as children flock to the Krusty Krab. When Plankton finds out, he uses mind control to turn Mermaid Man and Barnacle Boy against Mr. Krabs and SpongeBob. Then everyone goes to the Chum Bucket and waits for Plankton to make food. Then, SpongeBob brings a big truck and feeds Mermaid Man and Barnacle Boy fiber, which brings them back to normal. Then everyone goes back to the Krusty Krab. When Plankton comes back with food, he sees the customers are gone and gets upset.

I can turn into a skyscraper!

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 ) Associated production music
 ) Original music
 ) SpongeBob music

  The Lineman - Sam Spence [title card]
  Caped Crusader - David Farnon [opening]
  Police Car - Sam Spence [shot of kids meal]
  The Four Horsemen - Ronald Hanmer [Man Ray laughs]
  Tripping Along - Harry Bluestone ["Ooh, I just love the little Pipsqueak Patty..."]
  ? ["Of course you do, Man Ray!"]
  Captain Pugwash - Johnny Pearson [end of Krusty Krab commercial]
  Zelle 501 - Gerhard Trede [Plankton watching TV]
  Life on the Wild Side - Sam Spence ["Something is going on over there!"]
  The Tip Top Polka/The Cliff Polka - Chelmsford Folk Band ["Gotta hand it to you, boy."]
  Vibe Sting - Nicolas Carr ["Wait a minute, what's this?"]
  Wooden Bear - Gil Flat, Tony Tape, Florian Voelxen [Karen brings Plankton a kids meal box]
  Steel Sting - Jeremy Wakefield [box smashed up]
  Death Trap - Gregor F. Narholz ["Why didn't I think of this before?"]
  Hawaiian Link (b) - Richard Myhill [rest home exterior]
  Sweet and Lovely - Alan Braden [Plankton pretending to be a salesman]
  Frankenstein's Niece A - Gregor F. Narholz [mind control shampoo]
  Cartoon Sting 5 - Gerhard Narholz [WIPE!]
  Bring on the Girls - Dennis Farnon [back at the Krusty Krab...]
  Steel Licks (a) - Jeremy Wakefield [kids run into the ball room]
  ? ["Aye aye, Mr. Krabs!"]
  Abject Terror - Paul Lewis [Mermaid Man and Barnacle Boy destroying the rest home]
  Steel Licks (b) - Jeremy Wakefield ["You guys live in a dump."]
  Chase Cue 1 - Sage Guyton, Jeremy Wakefield [Mermaid Man beating up SpongeBob]
  Vibe Sting - Dick de Benedictis ["You still got it."]
  Bikini Bottom News Theme - Nicolas Carr [news report]
  Kerry Polka - Brian Peters [Krabs interviewed]
  Editor's Falling Over (a) - Dick Stephen Walter [SpongeBob falls in]
  Blaze of Brass (d) - Cecil Milner ["I present Mermaid Man and Barnacle Boy!"]
  Police Car - Sam Spence [sting]
  House of Horror - W. Merrick Farran ["Everyone in Bikini Bottom showed up!"]
  Cartoon Sting 2 - Gerhard Narholz, Nicolas Carr, Barry Anthony ["Ooh, this is too easy!"]
  Heavenly Voices (c) - David Farnon [shot of Krabby Patty]
  House of Horror - Larry Hochman ["Why, these things are... EVIL!"]
  Harp Ding - Nicolas Carr ["You forgot your Krabby Patties!"]
  Black Stockings - David Lindup [Mermaid Man and Barnacle Boy drooling]
  House of Horror - W. Merrick Farran [Mermaid Man stomps on the Krabby Patty]
  Adventurers - Larry Hochman ["Fry Boy, defender of the Krabby Patty!"]
  Ramblin' Man from Gramblin' - Sam Spence [SpongeBob fights Mermaid Man and Barnacle Boy]
  Robot March - Harry Bluestone [Mermaid Man and Barnacle Boy run to the Chum Bucket]
  Vibe Sting - Nicolas Carr ["Food?"]
  Steel Licks - Jeremy Wakefield ["It doesn't make sense."]
  The Lineman - Sam Spence [fiber truck]
  Dancing the Hula - Kapono Beamer [Mermaid Man and Barnacle Boy back to normal]
  Arizona Fanfare - Jack Shaindlin ["To the Krusty Krab, away!"]
  Cartoon Sting 2 - Gerhard Narholz, Nicolas Carr, Barry Anthony [ending]



  • The episode's title card is similar to the way Nickelodeon was copyrighted in artwork.
  • When Plankton got the meal, he saw Mr. Krabs smiling on the side of the Krusty Kid's happy hero meal box, he then preceded to hit it multiple times with the Mermaid Man action figure and the pencil with a Barnacle Boy eraser and then he began stomping on it, the smile of Mr. Krabs on the box then turned into a frown.
  • Man Ray says "The tasty treat, no mortal can resist" He was eating a Krabby Patty after being caught by Mermaid Man and Barnacle Boy, possibly suggesting that Man Ray is not immortal.
  • When Squidward delivers a meal to a birthday party, he says it's for a twin's party while all of the kids were different, but maybe they were fraternal twins (siblings born on the same day, but look different).
  • Another title name: On the Time Warner Cable and Dish Network guides, it call this episode "Mermaid Man vs. Sponge."
  • After the Krusty Kids meal commercial, you can see that Karen is at the Krusty Krab getting a Krusty Kid's meal, even though usually Karen would've been the screen Plankton watched the commercial on in the first place.
    • Offscreen, Karen has left from the Chum Bucket to the Krusty Krab.
  • When Mermaid Man did the spine blaster on SpongeBob, one can see SpongeBob's leg bones, even though sponges are invertebrates.
  • When Mermaid Man and Barnacle Boy enter the Krusty Krab, it kind of looks like "Whale of a Birthday" when Pearl leaves the Krusty Krab, throwing everyone on the ground.
  • Squidward delivers six boxes of Krusty Kid's Meals to the "Tarpon Twins."
    • The tarpon is a type of fish.
  • At the ending, Plankton made Chummy Joes for the customers, but they left to the Krusty Krab.
    • Chummy Joes is a pun on the real-life food item Sloppy Joes.
  • In "Mermaid Man and Barnacle Boy V," Barnacle Boy balked at the idea that he be served a Pipsqueak Patty instead of the adult-sized Krabby Patty.
    • At the begininng, in the commercial, he and Mermaid Man promote the Krusty Kid's meal, the main course being a Pipsqueak Patty.
  • Although Plankton liked the Mermaid Man toy and the Barnacle Boy pencil so much, it is unknown whether Plankton watches the Mermaid Man and Barnacle Boy TV show often.
  • This is the second episode to feature Mermaid Man and Barnacle Boy and not feature Patrick.
  • This is the second time Plankton says "Stupid kid."


  • Since Plankton was looking though his periscope at the Krusty Krab, the Chum Bucket doors would be in front of him, not behind him.
  • It's highly unlikely Mr. Krabs would let Karen leave with a Krusty Kid's Meal, but it's possible he didn't put a Krabby Patty in it.
    • If he did, then Plankton would have gotten the formula after Karen gave the meal to him.
  • The openings on the net of the ball room were big enough for the balls to roll out of.
  • When Karen comes into the Chum Bucket with the Krabby Meal, the box doesn't have the logos on it.
  • The "with conditioner" part of the bottle disappears right after Plankton mentions it.
  • When Mr. Krabs locks the kids in the ball room, two kids begin to climb up the wall.
    • In the next shot, the kids are gone.

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