SpongeBob SquarePants (Season 4)

The fourth season of the American animated television series SpongeBob SquarePants, created by former marine biologist and animator Stephen Hillenburg, was announced on September 22, 2004. It premiered on May 6, 2005 with the episodes "Fear of a Krabby Patty" and "Shell of a Man," and ended on July 24, 2007 with the episode "Squid Wood."
Unlike the previous seasons' DVDs, season 4's was split into volumes. The volume one DVD was released in Region 1 on September 12, 2006, the volume two DVD was released in Region 1 on January 9, 2007, the season set was released its entirety in Region 2 on November 3, 2008, and on November 13, 2012, the entire collection of episodes from season 4 was released on DVD in Region 1.
# 	# 	Title 	Airdate
61 	1 	Fear of a Krabby Patty 	May 6, 2005
61 	1 	Shell of a Man 	May 6, 2005
The Krusty Krab opens up for 24 hours as part of Plankton's plan, and it causes SpongeBob to become afraid of Krabby Patties. / Mr. Krabs molts and loses his shell just before meeting up with his Navy buddies, so SpongeBob dresses up in it and takes his place. 	The Krusty Krab opens up for 24 hours as part of Plankton's plan, and it causes SpongeBob to become afraid of Krabby Patties. / Mr. Krabs molts and loses his shell just before meeting up with his Navy buddies, so SpongeBob dresses up in it and takes his place. 	The Krusty Krab opens up for 24 hours as part of Plankton's plan, and it causes SpongeBob to become afraid of Krabby Patties. / Mr. Krabs molts and loses his shell just before meeting up with his Navy buddies, so SpongeBob dresses up in it and takes his place. 	The Krusty Krab opens up for 24 hours as part of Plankton's plan, and it causes SpongeBob to become afraid of Krabby Patties. / Mr. Krabs molts and loses his shell just before meeting up with his Navy buddies, so SpongeBob dresses up in it and takes his place.
62 	2 	The Lost Mattress 	May 13, 2005
62 	2 	Krabs vs. Plankton 	May 13, 2005
SpongeBob, Patrick, and Squidward try to get back Mr. Krabs' lost mattress. / Plankton sues Mr. Krabs. 	SpongeBob, Patrick, and Squidward try to get back Mr. Krabs' lost mattress. / Plankton sues Mr. Krabs. 	SpongeBob, Patrick, and Squidward try to get back Mr. Krabs' lost mattress. / Plankton sues Mr. Krabs. 	SpongeBob, Patrick, and Squidward try to get back Mr. Krabs' lost mattress. / Plankton sues Mr. Krabs.
63 	3 	Have You Seen This Snail? 	November 11, 2005
Gary runs away from home after being neglected by SpongeBob. 	Gary runs away from home after being neglected by SpongeBob. 	Gary runs away from home after being neglected by SpongeBob. 	Gary runs away from home after being neglected by SpongeBob.
64 	4 	Skill Crane 	May 20, 2005
64 	4 	Good Neighbors 	May 20, 2005
Squidward attempts to win a prize from the skill crane. / SpongeBob and Patrick annoy Squidward with their "Good Neighbor Lodge." 	Squidward attempts to win a prize from the skill crane. / SpongeBob and Patrick annoy Squidward with their "Good Neighbor Lodge." 	Squidward attempts to win a prize from the skill crane. / SpongeBob and Patrick annoy Squidward with their "Good Neighbor Lodge." 	Squidward attempts to win a prize from the skill crane. / SpongeBob and Patrick annoy Squidward with their "Good Neighbor Lodge."
65 	5 	Selling Out 	September 23, 2005
65 	5 	Funny Pants 	September 30, 2005
Mr. Krabs on premiere retires and leaves the Krusty Krab under new management. / Fed up over SpongeBob's constant laughter, Squidward pranks him into thinking he's lost it. 	Mr. Krabs on premiere retires and leaves the Krusty Krab under new management. / Fed up over SpongeBob's constant laughter, Squidward pranks him into thinking he's lost it. 	Mr. Krabs on premiere retires and leaves the Krusty Krab under new management. / Fed up over SpongeBob's constant laughter, Squidward pranks him into thinking he's lost it. 	Mr. Krabs on premiere retires and leaves the Krusty Krab under new management. / Fed up over SpongeBob's constant laughter, Squidward pranks him into thinking he's lost it.
66 	6 	Dunces and Dragons 	February 20, 2006
After a jousting accident, SpongeBob and Patrick accidentally travel back in time to the Middle Ages. 	After a jousting accident, SpongeBob and Patrick accidentally travel back in time to the Middle Ages. 	After a jousting accident, SpongeBob and Patrick accidentally travel back in time to the Middle Ages. 	After a jousting accident, SpongeBob and Patrick accidentally travel back in time to the Middle Ages.
67 	7 	Enemy In-Law 	October 14, 2005
67 	7 	Mermaid Man and Barnacle Boy Vl: The Motion Picture 	October 7, 2005
Plankton falls in love with Mr. Krabs' mother, Betsy Krabs. / SpongeBob and Patrick find out that a Mermaid Man and Barnacle Boy movie is in production and are using actors, so they make their own with the real heroes. 	Plankton falls in love with Mr. Krabs' mother, Betsy Krabs. / SpongeBob and Patrick find out that a Mermaid Man and Barnacle Boy movie is in production and are using actors, so they make their own with the real heroes. 	Plankton falls in love with Mr. Krabs' mother, Betsy Krabs. / SpongeBob and Patrick find out that a Mermaid Man and Barnacle Boy movie is in production and are using actors, so they make their own with the real heroes. 	Plankton falls in love with Mr. Krabs' mother, Betsy Krabs. / SpongeBob and Patrick find out that a Mermaid Man and Barnacle Boy movie is in production and are using actors, so they make their own with the real heroes.
68 	8 	Patrick SmartPants 	October 21, 2005
68 	8 	SquidBob TentaclePants 	November 4, 2005
Patrick gets smarter after falling off a cliff and knocking his head off in Jellyfish Fields. / SpongeBob and Squidward get morphed together. 	Patrick gets smarter after falling off a cliff and knocking his head off in Jellyfish Fields. / SpongeBob and Squidward get morphed together. 	Patrick gets smarter after falling off a cliff and knocking his head off in Jellyfish Fields. / SpongeBob and Squidward get morphed together. 	Patrick gets smarter after falling off a cliff and knocking his head off in Jellyfish Fields. / SpongeBob and Squidward get morphed together.
69 	9 	Krusty Towers 	April 1, 2006
69 	9 	Mrs. Puff, Your Fired 	April 1, 2006
Mr. Krabs turns the Krusty Krab into a hotel. / Mrs. Puff gets fired and is replaced by a stricter teacher. 	Mr. Krabs turns the Krusty Krab into a hotel. / Mrs. Puff gets fired and is replaced by a stricter teacher. 	Mr. Krabs turns the Krusty Krab into a hotel. / Mrs. Puff gets fired and is replaced by a stricter teacher. 	Mr. Krabs turns the Krusty Krab into a hotel. / Mrs. Puff gets fired and is replaced by a stricter teacher.
70 	10 	Chimps Ahoy 	May 5, 2006
70 	10 	Ghost Host 	May 5, 2006
Sandy's bosses visit to see her inventions, but if they don't like anything, she must leave Bikini Bottom. / The Flying Dutchman stays with SpongeBob to reclaim his dignity, but eventually struggles at trying to scare people. 	Sandy's bosses visit to see her inventions, but if they don't like anything, she must leave Bikini Bottom. / The Flying Dutchman stays with SpongeBob to reclaim his dignity, but eventually struggles at trying to scare people. 	Sandy's bosses visit to see her inventions, but if they don't like anything, she must leave Bikini Bottom. / The Flying Dutchman stays with SpongeBob to reclaim his dignity, but eventually struggles at trying to scare people. 	Sandy's bosses visit to see her inventions, but if they don't like anything, she must leave Bikini Bottom. / The Flying Dutchman stays with SpongeBob to reclaim his dignity, but eventually struggles at trying to scare people.
71 	11 	Whale of a Birthday 	May 12, 2006
71 	11 	Karate Island 	May 12, 2006
Pearl turns 16 years old, and Mr. Krabs sends SpongeBob to get her a birthday present. / SpongeBob becomes "the king of karate" and travels to Karate Island with Sandy. 	Pearl turns 16 years old, and Mr. Krabs sends SpongeBob to get her a birthday present. / SpongeBob becomes "the king of karate" and travels to Karate Island with Sandy. 	Pearl turns 16 years old, and Mr. Krabs sends SpongeBob to get her a birthday present. / SpongeBob becomes "the king of karate" and travels to Karate Island with Sandy. 	Pearl turns 16 years old, and Mr. Krabs sends SpongeBob to get her a birthday present. / SpongeBob becomes "the king of karate" and travels to Karate Island with Sandy.
72 	12 	All That Glitters 	June 2, 2006
72 	12 	Wishing You Well 	June 2, 2006
SpongeBob breaks his spatula and is forced to replace it. / Mr. Krabs opens a wishing well at the Krusty Krab in an attempt to make money. 	SpongeBob breaks his spatula and is forced to replace it. / Mr. Krabs opens a wishing well at the Krusty Krab in an attempt to make money. 	SpongeBob breaks his spatula and is forced to replace it. / Mr. Krabs opens a wishing well at the Krusty Krab in an attempt to make money. 	SpongeBob breaks his spatula and is forced to replace it. / Mr. Krabs opens a wishing well at the Krusty Krab in an attempt to make money.
73 	13 	New Leaf 	September 22, 2006
73 	13 	Once Bitten 	September 29, 2006
Plankton gives up on stealing the formula and turns the Chum Bucket into a gift shop, but Mr. Krabs thinks it's another scheme. / Gary's biting causes the Bikini Bottomites to think that he has a disease. 	Plankton gives up on stealing the formula and turns the Chum Bucket into a gift shop, but Mr. Krabs thinks it's another scheme. / Gary's biting causes the Bikini Bottomites to think that he has a disease. 	Plankton gives up on stealing the formula and turns the Chum Bucket into a gift shop, but Mr. Krabs thinks it's another scheme. / Gary's biting causes the Bikini Bottomites to think that he has a disease. 	Plankton gives up on stealing the formula and turns the Chum Bucket into a gift shop, but Mr. Krabs thinks it's another scheme. / Gary's biting causes the Bikini Bottomites to think that he has a disease.
74 	14 	Bummer Vacation 	October 13, 2006
74 	14 	Wigstruck 	November 17, 2006
Mr. Krabs forces SpongeBob to take a vacation to avoid paying a fine, but his love of fry cookery prevents SpongeBob from doing so, and he constantly tries to sneak back to work. / SpongeBob finds a wig and starts wearing it, and takes everyone's insults as compliments. 	Mr. Krabs forces SpongeBob to take a vacation to avoid paying a fine, but his love of fry cookery prevents SpongeBob from doing so, and he constantly tries to sneak back to work. / SpongeBob finds a wig and starts wearing it, and takes everyone's insults as compliments. 	Mr. Krabs forces SpongeBob to take a vacation to avoid paying a fine, but his love of fry cookery prevents SpongeBob from doing so, and he constantly tries to sneak back to work. / SpongeBob finds a wig and starts wearing it, and takes everyone's insults as compliments. 	Mr. Krabs forces SpongeBob to take a vacation to avoid paying a fine, but his love of fry cookery prevents SpongeBob from doing so, and he constantly tries to sneak back to work. / SpongeBob finds a wig and starts wearing it, and takes everyone's insults as compliments.
75 	15 	Squidtastic Voyage 	October 6, 2006
75 	15 	That's Not Lady 	November 25, 2006
After Squidward swallows his clarinet and the reed is still stuck in his throat, SpongeBob and Patrick shrink down to microscopic size and travel inside his body using Sandy's submarine to retrieve it. / Patrick disguises himself as a woman to avoid getting kicked out of town.	After Squidward swallows his clarinet and the reed is still stuck in his throat, SpongeBob and Patrick shrink down to microscopic size and travel inside his body using Sandy's submarine to retrieve it. / Patrick disguises himself as a woman to avoid getting kicked out of town.	After Squidward swallows his clarinet and the reed is still stuck in his throat, SpongeBob and Patrick shrink down to microscopic size and travel inside his body using Sandy's submarine to retrieve it. / Patrick disguises himself as a woman to avoid getting kicked out of town.	After Squidward swallows his clarinet and the reed is still stuck in his throat, SpongeBob and Patrick shrink down to microscopic size and travel inside his body using Sandy's submarine to retrieve it. / Patrick disguises himself as a woman to avoid getting kicked out of town.
76 	16 	The Thing 	January 15, 2007
76 	16 	Hocus Pocus 	January 15, 2007
SpongeBob and Patrick think Squidward is an animal and call him "Smelly." / SpongeBob thinks he turned Squidward into an ice cream cone. 	SpongeBob and Patrick think Squidward is an animal and call him "Smelly." / SpongeBob thinks he turned Squidward into an ice cream cone. 	SpongeBob and Patrick think Squidward is an animal and call him "Smelly." / SpongeBob thinks he turned Squidward into an ice cream cone. 	SpongeBob and Patrick think Squidward is an animal and call him "Smelly." / SpongeBob thinks he turned Squidward into an ice cream cone.
77 	17 	Driven to Tears 	February 19, 2007
77 	17 	Rule of Dumb 	February 19, 2007
Patrick gets his driver's license, and rubs it in SpongeBob's face. / Patrick becomes a mean tyrant when he is crowned king. 	Patrick gets his driver's license, and rubs it in SpongeBob's face. / Patrick becomes a mean tyrant when he is crowned king. 	Patrick gets his driver's license, and rubs it in SpongeBob's face. / Patrick becomes a mean tyrant when he is crowned king. 	Patrick gets his driver's license, and rubs it in SpongeBob's face. / Patrick becomes a mean tyrant when he is crowned king.
78 	18 	Born to Be Wild 	March 31, 2007
78 	18 	Best Frenemies 	March 31, 2007
SpongeBob and Patrick think that vicious bikers are coming to Bikini Bottom. / A new restaurant called Kelpshake opens up all over Bikini Bottom, where an unlikely duo team up to investigate. 	SpongeBob and Patrick think that vicious bikers are coming to Bikini Bottom. / A new restaurant called Kelpshake opens up all over Bikini Bottom, where an unlikely duo team up to investigate. 	SpongeBob and Patrick think that vicious bikers are coming to Bikini Bottom. / A new restaurant called Kelpshake opens up all over Bikini Bottom, where an unlikely duo team up to investigate. 	SpongeBob and Patrick think that vicious bikers are coming to Bikini Bottom. / A new restaurant called Kelpshake opens up all over Bikini Bottom, where an unlikely duo team up to investigate.
79 	19 	The Pink Purloiner 	February 19, 2007
79 	19 	Squid Wood 	July 24, 2007
SpongeBob accuses Patrick of stealing his jellyfishing net when he loses it during a jellyfish migration. / SpongeBob makes a miniature Squidward and everyone likes him better than the real Squidward. 	SpongeBob accuses Patrick of stealing his jellyfishing net when he loses it during a jellyfish migration. / SpongeBob makes a miniature Squidward and everyone likes him better than the real Squidward. 	SpongeBob accuses Patrick of stealing his jellyfishing net when he loses it during a jellyfish migration. / SpongeBob makes a miniature Squidward and everyone likes him better than the real Squidward. 	SpongeBob accuses Patrick of stealing his jellyfishing net when he loses it during a jellyfish migration. / SpongeBob makes a miniature Squidward and everyone likes him better than the real Squidward.
80 	20 	Best Day Ever 	November 10, 2006
80 	20 	The Gift of Gum 	February 19, 2007
SpongeBob's "best day ever" does not go as planned. / Patrick gives SpongeBob a glob of gum for Best Friends Day, but SpongeBob wants to get rid of it. 	SpongeBob's "best day ever" does not go as planned. / Patrick gives SpongeBob a glob of gum for Best Friends Day, but SpongeBob wants to get rid of it. 	SpongeBob's "best day ever" does not go as planned. / Patrick gives SpongeBob a glob of gum for Best Friends Day, but SpongeBob wants to get rid of it. 	SpongeBob's "best day ever" does not go as planned. / Patrick gives SpongeBob a glob of gum for Best Friends Day, but SpongeBob wants to get rid of it.