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SpongeBob SquarePants S3E21 — Mermaid Man and Barnacle Boy V

8.9

SpongeBob SquarePants•Season 3•Episode 21

Mermaid Man and Barnacle Boy V

8.9/10 · 8 votesJun 1, 200212 min

Ranked #16 of 40 in Season 3•+0.2 vs season avg

After being treated too much like a child by everyone, Barnacle Boy quits being a superhero and decides to be a supervillain.

Directed byC.H. Greenblatt, Kaz

Written byC.H. Greenblatt, Merriwether Williams, Kaz

Previous episodeE20 · Chocolate with Nuts Next episodeE22 · Club SpongeBob

Seasons20

All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Season 3 Episodes40

Mermaid Man and Barnacle Boy IV still

Mermaid Man and Barnacle Boy IV

Doing Time still

Doing Time

Welcome to the Chum Bucket still

Welcome to the Chum Bucket

Frankendoodle still

Frankendoodle

Snowball Effect still

Snowball Effect

One Krab's Trash still

One Krab's Trash

Nasty Patty still

Nasty Patty

Idiot Box still

Idiot Box

As Seen on TV still

As Seen on TV

Can You Spare a Dime? still

Can You Spare a Dime?

No Weenies Allowed still

No Weenies Allowed

Squilliam Returns still

Squilliam Returns

The Algae's Always Greener still

The Algae's Always Greener

SpongeGuard on Duty still

SpongeGuard on Duty

Krab Borg still

Krab Borg

Rock-a-Bye Bivalve still

Rock-a-Bye Bivalve

Wet Painters still

Wet Painters

Krusty Krab Training Video still

Krusty Krab Training Video

Party Pooper Pants still

Party Pooper Pants

Chocolate with Nuts still

Chocolate with Nuts

Mermaid Man and Barnacle Boy V still

E21 8.9Now viewing

Mermaid Man and Barnacle Boy V

Club SpongeBob still

Club SpongeBob

My Pretty Seahorse still

My Pretty Seahorse

Graveyard Shift still

Graveyard Shift

Krusty Love still

Krusty Love

New Student Starfish still

New Student Starfish

Clams still

Clams

The Great Snail Race still

The Great Snail Race

Mid-Life Crustacean still

Mid-Life Crustacean

The Sponge Who Could Fly still

The Sponge Who Could Fly

Gary Takes a Bath still

Gary Takes a Bath

Born Again Krabs still

Born Again Krabs

I Had an Accident still

I Had an Accident

Missing Identity still

Missing Identity

Plankton's Army still

Plankton's Army

Ugh still

Ugh

Krabby Land still

Krabby Land

The Camping Episode still

The Camping Episode

SpongeBob Meets the Strangler still

SpongeBob Meets the Strangler

Pranks a Lot still

Pranks a Lot

Cast9

Tom Kenny

Tom Kenny

SpongeBob SquarePants / Gary the Snail / French Narrator (voice) / Patchy The Pirate

Bill Fagerbakke

Bill Fagerbakke

Patrick Star (voice)

Rodger Bumpass

Rodger Bumpass

Squidward (voice)

Clancy Brown

Clancy Brown

Mr. Krabs (voice)

Carolyn Lawrence

Carolyn Lawrence

Sandy Cheeks (voice)

Mary Jo Catlett

Mary Jo Catlett

Mrs. Puff (voice)

Mr. Lawrence

Mr. Lawrence

Plankton / Larry the Lobster (voice)

Jill Talley

Jill Talley

Karen Plankton (voice)

Lori Alan

Lori Alan

Pearl Krabs (voice)

Crew10

Derek Drymon

Derek Drymon

Creative Director

F

Frank Weiss

Animation Director

C.H. Greenblatt

C.H. Greenblatt

Director

K

Kaz

Director

M

Mike Roth

Storyboard Artist

C.H. Greenblatt

C.H. Greenblatt

Writer

M

Merriwether Williams

Writer

K

Kaz

Writer

M

Marcy Lynn Dewey

Production Coordinator

M

Michelle Bryan

Production Coordinator

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Episode Summary

"Mermaid Man and Barnacle Boy V" is episode 21 of SpongeBob SquarePants season 3. It scored 8.9/10 from 8 votes, ranking #16 of 40 episodes this season (season average 8.7). Directed by C.H. Greenblatt, Kaz and written by C.H. Greenblatt, Merriwether Williams, Kaz, it aired on June 1, 2002.

Next: E22 · Club SpongeBob Best of Season 3