This article is a list of all Leader Plankton! episodes and other. The show premiered on June 30, 2012 and ended on September 12, 2015. It lasted four seasons with a total of 90 episodes.
Season 1 (2012)[]
The first season of Leader Plankton! premiered on June 30, 2012, with the pilot "The Take Over!", and ended on September 29, 2012, with "The Universe Traveler". This season focuses on the many problems that Leader Plankton experiences when he takes over the ocean, such Patrick being sent to the moon and SpongeBob escaping his cell. In the summer of 2012 was a marathon which consisted of nine new episodes, begining with "Squirrel and Plankton Fight", and ended with "Trip to the Moon". The DVD for the season was released in Region 1 on December 4, 2012. There are 15 episodes within the entire season.
| Title card | # | Title | Airdate
|
| File:The Take Over!.png | "The Take Over!" | June 30, 2012 | |
| Plankton takes over the ocean and battles Sir Sandy. | |||
| File:Stuck on the Moon TC copy.png | "Stuck On The Moon" | July 6, 2012 | |
| Patrick lands on the moon and encounters the daily life of Quag, an evil moonian bent on taking over the moon. | |||
| File:The Search For Patrick.jpg | "The Search For Patrick" | July 12, 2012 | |
| Leader Plankton has now found out where Patrick is and is planning to find him using special mechanic hands. | |||
| File:Life As A Prisoner.png | "Life As A Prisoner" | July 18, 2012 | |
| Prisoner SpongeBob gets his daily torturing. | |||
| File:Squirrel and Plankton Fight.png | "Squirrel And Plankton Fight" | August 10, 2012 | |
| Sir Sandy from Anti-Plankton is getting tired of Leader Plankton's cruel and unkind nature, so she plots to put a stop to his evil once and for all. | |||
| File:The Big Cook-Off.jpg | "The Big Cook-Off" | August 11, 2012 | |
| The world's two greatest cook-offs are happening on the same exact day at the same exact time. These cook-offs take place at the two extraordinary places humans have loved and wondered about. And these two places are... the ocean, and... the moon. | |||
| File:SpongeBob Escapes.png | "SpongeBob Escapes" | August 12, 2012 | |
| Prisoner SpongeBob's tired of being held prisoner by Leader Plankton and his excellent escaping skills have finally payed off. Now that he has escaped some wild adventures are about to happen. | |||
| File:The Mystery of the Black Sponge.jpg | "The Mystery of the Black Sponge" | August 13, 2012 | |
| Unsure of who Black Sponge really is, Leader Plankton sends out on a top secret spy mission to figure out. Will Leader Plankton find out who Black Sponge really is? | |||
| File:Wanted The Black Sponge.png | "Wanted: The Black Sponge" | August 14, 2012 | |
| Leader Plankton deeply wants to know who Black Sponge really is so he posts wanted posters all over the Bikini Bottom. Now everyone is trying to catch the Black Sponge. Will the Black Sponge get caught? | |||
| File:Moon Races.png | "Moon Races" | August 15, 2012 | |
| It's time for racing at the moon and Quag wants to win the race so he will be honored by everyone on the moon so much he will be able to do illegal stuff all day, including taking over the world! While the epic race is going on up there, down there under the sea, the members of Anti-Plankton get ready for their trip to the moon. | |||
| File:An Unwanted Visitor.png | "An Unwanted Visitor" | August 20, 2012 | |
| The Egater Family gets an unwanted visitor and this visitor is Quag. Quag tries to convince Lahoonamine and Missita into giving Timmy away. Meanwhile, Patrick explores the moon and has wild things happen to him while Leader Plankton and Sir Sandy need a rocket to get to the moon. | |||
| File:The New Moonian Baby.png | "The New Moonian Baby" | August 24, 2012 | |
| Missita is having a moonian while the whole Anti-Plankton team is super excited about the trip to the moon. Meanwhile, Squidward and Eugene have finished the rocket and Leader Plankton is glorifying it in all its glory. | |||
|
"Trip To The Moon" | August 28, 2012 | |
| Crazy things happen when Anti-Plankton travels to the moon for vacation and Leader Plankton follows wanting to find out who Black Sponge really is. This craziness is put too the test when Timmy the Twina has the ultimate goal to stop all the evil that's now happening on the moon! | |||
| File:Back To The Ruled Ocean.png | "Back To The Ruled Ocean" | September 5, 2012 | |
| Prisoner SpongeBob and Patrick have returned to Leader Plankton and the rest of the ocean. Patrick is glad he's back at sea, but Prisoner SpongeBob is worried about being punished for becoming the Black Sponge. | |||
| File:The Universe Traveler.png | "The Universe Traveler" | September 29, 2012 | |
| Leader Plankton is working on his dimension traveling machine which he now calls The Universe Traveler. | |||
Season 2 (2012-2013)[]
The second season of Leader Plankton! premiered on October 3, 2012, with the episode "Plankton's Big Birthday Bash" and ended on July 16, 2013 with "Zombie". This season focuses on the threats Leader Plankton faces from his own inventions, along with entities that come from beyond the ocean. The DVD for the season was released in Region 1 on December 30, 2013. There are 30 episodes within the entire season.
| Title card | # | Title | Airdate
|
| File:SpongeBob Episode - Plankton's Big Birthday Bash.png | "Plankton's Big Birthday Bash" | October 3, 2012 | |
| It's Leader Plankton's birthday, and everyone is preparing for one of the biggest, and most torturous, celebrations in the ocean! Meanwhile, Leader Plankton wants to test his Universe Traveler. | |||
| File:Prehistoric Plankton.png | "Prehistoric Plankton" | October 12, 2012 | |
| A new group called, Craig and the Ocean Protecters, come to Bikini Bottom to rid Plankton of his leadership and destroy him. Once Leader Plankton realizes the high tech weapons they have (which are somehow even more advanced than his) can stop him, he orders Squidward and Eugene to create a machine that will save everyone while the world is being changed into prehistoric times and will change everyone into cavefish. | |||
|
"Ocean Fright Night of Doom" | October 17, 2012 | |
| It's Leader Plankton's favorite time of the year, Halloween! Scaring people, free candy! What could ruin this prefect night? Evil Pumpkin Heads invading Bikini Bottom! | |||
| File:SpongeBob Episode - Beach Day.png | "Beach Day" | November 1, 2012 | |
| Leader Plankton visits Goo Lagoon and things get wild and crazy when he gets into the military sand forces and ends up an a distant island far away from home. | |||
| File:The No Thanks-Giving Gifts To Leader Plankton Special.png | "The No Thanks-Giving Gifts To Leader Plankton Special" | November 14, 2012 | |
| In Bikini Bottom instead of celebrating Thanksgiving everyone has to celebrate a holiday called "No Thanks-Giving Gifts To Leader Plankton". People go with the traditions of worshipping of Leader Plankton and having a huge feast at Bucket of Evil. | |||
| File:SpongeBob Episode - The Fight Against Bubble Buddy.png | "The Fight Against Bubble Buddy" | November 23, 2012 | |
| When Bubble Buddy finds out that SpongeBob is Leader Plankton's prisoner he rushes to Bikini Bottom to save SpongeBob from being prisoner. | |||
| File:SpongeBob Episode - The Leader Plankton Christmas Special.png | "The Leader Plankton! Christmas Special" | December 21, 2012 | |
| It's a quite happy day and and Santa will come and state Leader Plankton has been a naughty boy and will take him to the North Pole to go through a few things with him. After the long talk with Santa, Leader Plankton learns the true meaning of Christmas, To be nice. For the sake of...presents! | |||
| File:It's Almost A New Year!.png | "It's Almost A New Year!" | December 31, 2012 | |
| Everyone in Bikini Bottom is getting prepared for the new year and Leader Plankton is getting into the spirit. | |||
| File:It's a Ruling New Year!.png | "It's a Ruling New Year!" | January 1, 2013 | |
| Leader Plankton decides to celebrate his victory of it being a new year. | |||
| File:SpongeBob Episode - New Nicknames.png | "New Nicknames" | January 22, 2013 | |
| Leader Plankton! decides to enroll new nicknames to the members of the cast who don't currently ha ve an official nickname and go by the same thing their SB counterparts go by. | |||
| File:Stalker Sweethearts.jpg | "Stalker Sweethearts" | February 4, 2013 | |
| It's Valentine's Day in Bikini Bottom and everybody getting a new stalker sweetheart! Too bad they can't get rid of them. | |||
| File:The Black Sponge Is At It Again.jpg | "The Black Sponge Is At It Again" | March 13, 2013 | |
| Leader Plankton finally loses his patience and goes out on a manhunt by himself to catch the Black Sponge. | |||
| File:The New Cafeteria.jpg | "The New Cafeteria" | March 17, 2013 | |
| Leader Plankton decides to turn the old and broken down Krusty Krab into a cafeteria where he can enjoy Prisoner SpongeBob's scrumptious meals whenever he wants. | |||
| File:Sandy's Easter Friend of Doom.jpg | "Sandy's Easter Friend of Doom" | March 26, 2013 | |
| Clem begins his first plan to destroy LP!, by getting some help from Sir Sandy, and a special friend... | |||
| File:4 Out Of 4.png | "4 Out of 4: Admin Status" | April 7, 2013 | |
| Tired of how bad life in the ocean is, Clem gets Leader Plankton to...give up being leader? | |||
| File:Clem vs Sheldon.png | "Clem vs. Sheldon" | April 13, 2013 | |
| Clem challenges Leader Plankton to a fight. An extremely awesome fight. The winner gets to become the leader of the ocean! Who will win? Clem or Sheldon? | |||
| File:The Powerful Chum.png | "The Powerful Chum" | April 27, 2013 | |
| Leader Plankton creates some highly powerful chum without realizing that if anybody gets hold of it then they will become super powerful giants and will be able to defeat him. | |||
| File:Moonian Invasion.JPG | "Moonian Invasion" | May 6, 2013 | |
| With Quag gone, the moonians demand that Leader Plankton let all the people of the ocean free and to quit being their leader. | |||
| File:Rocket building.png | "Rocket Building" | May 11, 2013 | |
| Leader Plankton has decided to build a rocket so he can ride to the moon and get revenge for them freeing the people in the ocean. | |||
| File:Universe Traveling.jpg | "Universe Traveling" | May 17, 2013 | |
| Leader Plankton decides to activate the Universe Traveler and travel into alternate dimensions so he can find weapons to use again Timmy and the moonians. | |||
| File:The Moon's War.jpg | "The Moon's War" | May 25, 2013 | |
| Now that Leader Plankton's got his rocket and all his weapons he's ready to go to the moon, fight off the Moonians, and take his rightful place as leader of the ocean. | |||
| File:Clammy Chips.jpg | "Clammy Chips" | June 2, 2013 | |
| Leader Plankton gets addicted to Mr. Clams' Tasty Sea Chips and starts eating way too much of them | |||
| File:Quag Is Growing Up.jpg | "Quag Is Growing Up" | June 7, 2013 | |
| Quag finally grows back to his normal size and once escaping the Gloopians he has to get back to the Moon so he can take his rightful place as leader of the moon. | |||
| File:Wrestling The Gloopians.PNG | "Wrestling The Gloopians" | June 17, 2013 | |
| When the Gloopians smell Mr. Clam's Tasty Sea Chips, they come down to Bikini Bottom to eat them but Leader Plankton being the greedy jerk he is challenges them to a wrestling competition | |||
| File:Strict Plankton Diet.jpg | "Strict Plankton Diet" | June 20, 2013 | |
| Leader Plankton realizes he need to get more fit in order to be a sufficient leader so he goes through multiple diets trying to regain his usual slim body. | |||
| File:Young Leader.jpg | "Young Leader" | June 25, 2013 | |
| Leader Plankton accidently shoots himself with a puberty ray causing him to turn into a baby. | |||
| File:The Team Up!.jpg | "The Team Up!" | June 27, 2013 | |
| Leader Plankton and Quag team up to take over both the moon and the earth. | |||
|
"Leader Plankton's The Take Over! Play" | June 30, 2013 | |
| Leader Plankton decides to put on a play of his legacy starting with the day he took over Bikini Bottom. | |||
| File:Twina Testing.PNG | "Twina Testing" | July 14, 2013 | |
| Leader Plankton starts conducting a series of tests of Timmy to see what he can do and if he can be a useful weapon or anything else he might need. | |||
| File:ZOMBIE.png | "Zombie" | July 16, 2013 | |
| After Leader Plankton witnesses a kid fall off a cliff he begins to think the kid has turned into a zombie and is after him because he did nothing about it. | |||
Season 3 (2013-2015)[]
The third season of Leader Plankton! premiered on July 19, 2013, with the episode "Ghostly Plankton". This season focuses on Leader Plankton trying to get Anti-Plankton's members to join the dark side so there will be no one to defeat him. There are 30 episodes within the entire season. This season is also known as "the season of hiatuses" due to there being two four month hiatuses in it, one lasting from August to December and the other lasting from March to July.
| Title card | # | Title | Airdate
|
| File:Ghostly Plankton.jpg | "Ghostly Plankton" | July 19, 2013 | |
| Leader Plankton has to get used to being a ghost and managing his place as leader of the sea with all these new difficulties. | |||
| File:Escaping The Cliff's Death.PNG | "Escaping The Cliff's Death" | July 22, 2013 | |
| All the members of Anti-Plankton try to get back on the top of the cliff or get themselves out of there before they fall to their death. | |||
| File:Stuck On The Moon Again.png | "Stuck On The Moon Again" | August 1, 2013 | |
| Patrick lands on the moon again and helps Quag with ruling over Tinnington. | |||
| File:Eliminating The Ghost.png | "Eliminating The Ghost" | December 1, 2013 | |
| The members of Anti-Plankton attempt to bring Leader Plankton back to life so he won't have his powers any longer. | |||
| File:How Leader Plankton Kidnapped Santa.png | "How Leader Plankton Kidnapped Santa" | December 7, 2013 | |
| Leader Plankton realizes that he won't get any presents for Christmas this year due to faking being nice last year so he sets off to the North Pole in order to kidnap Santa Claus. | |||
| File:New Year Snail.png | "New Year Snail" | December 28, 2013 | |
| Leader Plankton escapes his prison cell and as a part of his New Year's Resolution, kidnaps Snailster Gary and makes him his pet. | |||
| File:Snail Slave.png | "Snail Slave" | January 11, 2014 | |
| Leader Plankton attempts to use Snailster Gary in order to get Timmy onto the dark side. | |||
| File:Twina Tyrant.PNG | "Twina Tyrant" | January 20, 2014 | |
| Timmy decides to act evil in order to get Leader Plankton to let him out of his cell. | |||
| File:Timmy's Crush.png | "Timmy's Crush" | February 1, 2014 | |
| While traveling through space, Timmy bumps into Tasha, a twina he's had a crush on for as long as he can remember. | |||
| File:Leader Gary.PNG | "Leader Gary" | February 28, 2014 | |
| Gary decides that as new leader, he needs to Gary-fy the ocean. | |||
| File:Anti-Gary.gif | "Anti-Gary" | March 1, 2014 | |
| Anti-Plankton decides to change their name to Anti-Gary and begin fighting Gary due to his new leadership. | |||
| File:New Member.PNG | "New Member" | March 14, 2014 | |
| Anti-Plankton decides that they new a new member now that Snailster Gary has been killed so they decide to emply another snail, Snailster Slimey. | |||
| File:Reviving Bubble Buddy.png | "Reviving Bubble Buddy" | July 17, 2014 | |
| After four months of total unproductiveness, the Anti-Gary gang set off to revive Bubble Buddy. | |||
| File:Komputer Killer Karen.png | "Komputer Killer Karen" | August 27, 2014 | |
| Due to Karen being smashed, Leader Plankton fixes her but this time with a new modification - he turned her into a killing machine! | |||
| File:Fight For Freedom.JPG | "Fight For Freedom" | September 3, 2014 | |
| Leader Plankton plans to get a weapon called the ReviveSquare32, but a group of Freedom Fighters come around to destroy it. | |||
| File:Get New Members But Lose The Old.PNG | "Get New Members But Lose The Old" | September 21, 2014 | |
| Anti-Plankton earns a new member, the mysterious Cyan Kent, at the cost of many of their old members. | |||
| File:Mind Controlled Twina.jpg | "Mind Controlled Twina" | September 30, 2014 | |
| Sadie, still stuck inside Timmy's body, decides to use this to her advantage and sets off back to the ocean. | |||
| File:Count Plankula.jpg | "Count Plankula" | October 7, 2014 | |
| Leader Plankton ends up getting transformed into a vampire and must survive throughout the night. Meanwhile, Snailster Gary returns to Earth to try and warn Anti-Plankton about something important. | |||
| File:Now Hiring.jpg | "Now Hiring" | November 1, 2014 | |
| With Musical Squid, Cheapskate Krabs, and Bodyguard Patrick all gone, Leader Plankton decides to look for a new person to work at Bucket Of Evil. | |||
| File:Re-Modified.jpg | "Re-Modified" | November 3, 2014 | |
| The members of Anti-Plankton decide to remodify Karen to their needs. | |||
| File:Invader Plankton.png | "Invader Plankton!" | November 6, 2014 | |
| Leader Plankton travels to the surface world and decides to help Zim take over Earth. | |||
| File:Origins.jpg | "Origins" | November 21, 2014 | |
| The origins of the keeper of the spirits, better known as the Ghost Guardian, is explored along with what the effects of Leader Plankton's death caused on the world. | |||
| File:Happy No Thanks-Giving Gifts To Leader Plankton.jpg | "Happy No Thanks-Giving Gifts To Leader Plankton" | November 25, 2014 | |
| It's No Thanks-Giving Gifts To Leader Plankton again and Leader Plankton just can't wait to celebrate. | |||
| File:Resolutions.jpg | "Resolutions" | December 31, 2014 | |
| Black Sponge decides that his resolution for 2015 will be to keep the ocean safe. However, in order to accomplish this, he will have to defeat Leader Plankton by 12:00 AM. | |||
| File:Planning.jpg | "Planning" | January 7, 2015 | |
| Leader Plankton tells the story of how he planned to take over the ocean. | |||
| File:Clem's Return.png | "Clem's Return" | January 8, 2015 | |
| Clem returns to take over the ocean while Plankton's in jail. | |||
| File:Spiritual Suicide.jpg | "Spiritual Suicide" | January 9, 2015 | |
| Leader Plankton commits suicide in order to use his ghostly powers to defeat Clem however he ends up in the afterlife instead. | |||
| File:Rebellion.jpg | "Rebellion" | January 10, 2015 | |
| Leader Plankton decides to rebel against Clem. | |||
| File:Plankton's Poof.png | "Plankton's Poof" | January 14, 2015 | |
| Leader Plankton captures Poof in order to harvest his magic. | |||
| File:Tree Chicken.png | "Tree Chicken" | January 15, 2015 | |
| Two sailors capture Sir Sandy so that they can have her for dinner. | |||
Season 4 (2015)[]
The fourth season of Leader Plankton! is the final season before the film. It premiered on January 23, 2015 with "Time Travel Take Over" and ended on September 12, 2015 with "The Downfall". The focus of this season is Leader Plankton's empire slowly getting weaker and weaker. Season 4 was originally planned to have 30 episodes, but on August 10, 2014, it was announced that it would only have 15, like the first season.
| Title card | # | Title | Airdate
|
| File:TTO.png | "Time Travel Take Over" | January 23, 2015 | |
| Black Sponge, Snailster Slimey, and Cyan Kent travel back in time in order to stop Leader Plankton from taking over the ocean. | |||
| File:An Alternate Present.jpg | "An Alternate Present" | January 25, 2015 | |
| Black Sponge and Cyan decide to check out how Bikini Bottom is doing since Leader Plankton never took over. Meanwhile, Leader Plankton plans his revenge on Anti-Plankton. | |||
| File:Time Traveling Mess.jpg | "Time Traveling Mess" | February 5, 2015 | |
| The present begins to severely change due to all the changes being made through time. | |||
| File:GR.png | "Gloopian Revenge" | February 19, 2015 | |
| The Gloopians capture Leader Plankton in order to get revenge on him, however he soon escapes and takes over their planet. | |||
| File:Ane.png | "A New Enemy" | March 8, 2015 | |
| Once Ace becomes leader, Anti-Plankton immediately sets out to stop him. Meanwhile, a new team set on defeating Plankton is set up on Uranus. | |||
| File:Bottomless Rescue.PNG | "Bottomless Rescue" | March 19, 2015 | |
| After Ace is accidentally knocked into the Prisoner Pit, Leader Plankton must go and rescue him. | |||
| File:AA.png | "Adherent Amoeba" | April 4, 2015 | |
| Leader Plankton decides to adopt a new pet in order to help keep Anti-Plankton from breaking into Bucket of Evil. | |||
| File:Sea Sponge Day.jpg | "Sea Sponge Day" | May 4, 2015 | |
| Black Sponge encounters a magic teal rock capable of granting him one wish. | |||
| File:TheGoodDays.png | "The Good Ol' Days" | May 31, 2015 | |
| When Prisoner SpongeBob wakes up in 2012, he must find a way to get back to the present. | |||
| File:Minicyan.png | "Mini Cyan" | June 6, 2015 | |
| Cyan's kid comes to visit him and help out with Anti-Plankton. | |||
| File:The Other Take Over!.jpg | "The Other Take Over!" | June 24, 2015 | |
| The members of Anti-Plankton decide to take over the Bucket of Evil. | |||
| File:The Encounter.jpg | "The Encounter" | June 25, 2015 | |
| Leader Plankton and Spiteful Spot encounter the Freedom Fighters on their journey to murder hippies. | |||
| File:MindWipe.png | "Mind Wipe" | July 12, 2015 | |
| Leader Plankton erases him taking over the ocean from Black Sponge and Cyan Kent's minds in an attempt to end Anti-Plankton. | |||
| File:Filler Space.jpg | "Filler Space" | August 7, 2015 | |
| Quag breaks out of jail and sets off to the ocean. | |||
| File:Downfall.png | "The Downfall" | September 12, 2015 | |
| Anti-Plankton and the rest of the city team up to take down Leader Plankton. | |||
Leader Plankton!: The Underwater Dimensional Battle (2018) []
Leader Plankton!: The Underwater Dimensional Battle is a film in development to be in place for the finale of the series. Writing begun September 19, 2015, a week after "The Downfall" premiered. The film is slated to release sometime in 2018.
Cancelled Episodes[]
This section is more episodes of Leader Plankton! that ended up not being made for some reason.
- Unnamed Plankton's Big Birthday Bash Sequel - There was supposed to be an episode continuing where Plankton's Big Birthday Bash left off. It was going to focus on Musical Squid feeling sorry for SpongeBob.
- Sandy's Easter Friend Of Doom Returns - This episode was supposed to be a 2014 Easter special and a sequel to "Sandy's Easter Friend of Doom". It was going to be about the Easter Bunny returning to the ocean to get revenge.
- Santa's Revenge - A cancelled 2014 Christmas special. It would be about Santa coming down to Bikini Bottom in order to get revenge on Leader Plankton. While writing had started, it was eventually cancelled because it couldn't be finished in time.
- Snailster Stalker Sweetheart - A new snail joins Anti-Plankton and begins to stalk Snailster Slimey. It was cancelled due to time restrictions.
- The Impossible Pit/Satanic Plankton - The episode was supposed to be a two-parter in Season 3, episode 1 was completed and 2 was in the works but it was cancelled. The two-parter was revived for season 4 but was cancelled because of work difficulties.