Barnacle Boy/appearances

Character

Gallery

Appearances

Episodes

Season 1

#	Episode	Role in episode
6a	"Mermaid Man and Barnacle Boy" (tr • ga)	Major, debut
20b	"Mermaid Man and Barnacle Boy II" (tr • ga)	Major

Season 2

#	Episode	Role in episode
31a	"Mermaid Man and Barnacle Boy III" (tr • ga)	Minor

Season 3

#	Episode	Role in episode
45a	"Mermaid Man and Barnacle Boy IV" (tr • ga)	Supporting
52b	"Mermaid Man and Barnacle Boy V" (tr • ga)	Major

Season 4

#	Episode	Role in episode
63	"Have You Seen This Snail?" (tr • ga)	Imaged cameo/mentioned
	"Mermaid Man and Barnacle Boy VI: The Motion Picture" (tr • ga)	Major

Season 5

#	Episode	Role in episode
82b	"Night Light" (tr • ga)	Minor
94b	"Mermaid Man vs. SpongeBob" (tr • ga)	Major

Season 6

#	Episode	Role in episode
113b	"The Card" (tr • ga)	Supporting (non-speaking, only seen on card)
114b	"Ditchin'" (tr • ga)	Supporting
117a	"Shuffleboarding" (tr • ga)	Supporting
120b	"Toy Store of Doom" (tr • ga)	Mentioned

Season 7

#	Episode	Role in episode
135a	"Back to the Past" (tr • ga)	Major
135b	"The Bad Guy Club for Villains" (tr • ga)	Major (as younger self)
134	"SpongeBob's Last Stand" (tr • ga)	Cameo
139b	"The Cent of Money" (tr • ga)	Cameo

Season 8

#	Episode	Role in episode
163a	"Mermaid Man Begins" (tr • ga)	Major
176a	"Super Evil Aquatic Villain Team Up is Go!" (tr • ga)	Supporting

Season 9

#	Episode	Role in episode
180a	"Patrick-Man!" (tr • ga)	Cameo
192a	"Company Picnic" (tr • ga)	Mentioned
195a	"SpongeBob LongPants" (tr • ga)	Throughout the episode, he appears on posters and billboards for "The Dark Tide Rises."
197a	"Mall Girl Pearl" (tr • ga)	Walking pass the mall along with Mermaid Man.
202b	"Snail Mail" (tr • ga)	Cameo in a magazine.

Season 10

#	Episode	Role in episode
205b	"Mermaid Pants" (tr • ga)	Cameo in a magazine.
211b	"Trident Trouble" (tr • ga)	Cameo in a magazine.

Movies

#	Episode	Role in episode
F1	"The SpongeBob SquarePants Movie" (tr • ga)	Cameo (seen on a poster in SpongeBob's room)