Teenage Mutant Ninja Turtles (2003 TV series) (season 4)

Teenage Mutant Ninja Turtles (season 4)

Karai and Leonardo in the episode "Prodigal Son"
Country of origin United States
No. of episodes 26
Release
Original network 4Kids TV
Nicktoons
Original release September 10, 2005 
October 14, 2006 (UK)
August 2, 2015 (USA)

Teenage Mutant Ninja Turtles' fourth season originally aired between September 10, 2005 and April 15, 2006, beginning with the "Cousin Sid" episode. Fourteen random episodes from this season were released on DVD on September 12, 2006.[1]

Much of this season focused on Leonardo, the group's leader, who became more reserved and isolated following the final episode of the previous season in which he, his brothers and their master were almost killed. He went so far as to lash out at Splinter, causing him serious injury.

Story

In the wake of their final battle with the Shredder, the Turtles retreat to the Jones family farmhouse to rest and recuperate, still heavily wounded and scarred. Leonardo in particular carries strong emotional scars from the battle, blaming himself for his family having to nearly sacrifice their lives to stop the Shredder. After the Turtles return to New York, they find that Hun has defected from the Foot Clan, instead returning to the Purple Dragons and transforming them from a street gang to a sophisticated crime organization. A successful raid on an Earth Protection Force train ends up being the final straw for the President of the United States, who threatens to cut the organization's funding for their repeated recent failures. Desperate to keep his organization afloat, Bishop engineers a staged alien invasion with man-made "aliens", which successfully convinces the President of his organization's value to protect the Earth. Unknown to Bishop, however, the residue from the destroyed alien clones leaks into New York City's sewers, and after coming into contact with local fauna, mutates them, triggering a massive mutant outbreak. During this outbreak, Baxter Stockman finally clones a new human body for himself, but it along with his sanity deteriorates, and he eventually drowns in the Hudson River while attacking April O'Neil. Nevertheless, Bishop brings him back from the dead in another cyborg body, deeming him too useful to lose.

In the meantime, Leonardo's emotional scars drive him to become progressively more hostile and surly to the point of wounding Splinter in an uncontrollable rage during a training session. Splinter sends Leonardo on a pilgrimage to the Ancient One, Hamato Yoshi's own master and father figure. The Ancient One is able to heal Leonardo's deep self-doubt and psychological scars, and takes the turtle under his wing. Back in New York, Karai takes up the Shredder's mantle, and rebuilds the Foot Clan to become a much more powerful organization, and with the help of the Foot Mystics, find the Turtles' lair and destroy it. Raphael, Michelangelo, Donatello, Splinter, and their pet cat Klunk fake their deaths as they go into hiding. The Ancient One, having foreseen the attack, sends Leonardo back to New York, where he reunites his family and finds them a new home before defeating Karai, vowing that any further conflict between their clans will result in her death.

The Turtles struggle to fight Bishop's mutant outbreak, but things take a turn for the worse when Donatello is infected with the chemical agent responsible for the outbreak, mutating him once again. Leatherhead reports that Bishop's chemical agent is reacting violently with the Utrom mutagen already in his body, and will kill him in a matter of days. The group heads to Area 51 to ask for Bishop's aid in returning their brother to normal. Bishop agrees, but charges the Turtles with retrieving the Heart of Tengu, a relic possessed by Karai that an unknown entity has promised will grant him centuries of advancement in technology. The Turtles fulfill the agreement, and thanks to Leatherhead and Stockman's joint effort, cure Donatello and return him to normal. Meanwhile, Bishop inadvertently destroys the Heart of Tengu, having been fooled into doing so by the entity, who is revealed to be the Water Foot Mystic. The Heart of Tengu was an artifact that enabled the leaders of the Foot Clan to keep the Foot Mystics under their control. Now free, the Foot Mystics resolve to revive the "one, true Shredder".

In the season finale, the Turtles find themselves abducted by the mysterious Ninja Tribunal, along with four other warriors from across the globe. The eight warriors are informed they are being drafted to combat a great evil that is poised to return, and they are taken to the Tribunal's monastery in Japan after passing their first test of character.

Cast

Main cast

Recurring cast

Crew

Teenage Mutant Ninja Turtles was produced by Mirage Studios, 4 Kids Entertainment, 4Kids Productions, and Dong Woo Animation and distributed by 4 Kids Entertainment and was aired on Fox's Saturday morning kids' block in the US.[2] The producers were Gary Richardson, Frederick U. Fierst, and Joellyn Marlow for the American team; Tae Ho Han was the producer for the Korean team. Jai Law (who also collaborated on animated series Captain planet) was show runner for episodes produced after #23 after Sid Ferguson's departure.[2]

Episodes

No. in
series
No. in
season
Title Directed by Written By Original air date TV
Broadcast
791"Cousin Sid"Roy BurdineChristopher YostSeptember 10, 2005 (2005-09-10)S04E01

With their bodies bruised and their spirits wounded, the gang returns to the countryside to heal. Unfortunately, their recuperation is interrupted when Casey's cousin, Sid, shows up demanding money, which he needs to repay a debt to the Purple Dragons. Based on Tales of the Teenage Mutant Ninja Turtles #1

Villains: The Purple Dragons
802"The People's Choice"Roy BurdineBaz HawkinsSeptember 17, 2005 (2005-09-17)S04E02

The Turtles go on a camping trip in the forest and explore an abandoned sawmill. Their sojourn is interrupted by an extraterrestrial mech that crashes into the nearby lake. The Turtles meet an alien, Jhanna, who is nominated to fight the corrupt Moriah in fair combat. When Moriah arrives on Earth, bringing with her an unfair advantage, the Turtles rush to Jhanna's aid. Meanwhile at the farm, Casey struggles to express his true feelings for April. Based on Teenage Mutant Ninja Turtles #13

Villain: Moriah
813"Sons of the Silent Age"Roy BurdineSteve MurphyOctober 1, 2005 (2005-10-01)S04E03

Still recovering in the countryside, the Turtles, April and Casey take a raft down the Connecticut River. April confronts Leonardo about his newfound ire and brooding attitude. As Leo expresses his resentment and shame from his last encounter with the Shredder, they are interrupted by a fish-like humanoid creature covered in radiation burns from a nearby nuclear power plant which possesses April's body and tells her of her past. Based on Teenage Mutant Ninja Turtles #28

Villain: The nuclear power plant workers
824"Dragon's Brew"Roy BurdineMichael RyanOctober 8, 2005 (2005-10-08)S04E04

Hun returns to the Purple Dragons and heads a campaign hijacking weapons shipments. Leonardo's newfound fury leads him to recruit Casey to put a stop to these thefts; however, when the two confront the Purple Dragons after a train hijacking, they encounter a foe that is a danger to all of them.

Villain: Hun

Note: Michelangelo, Donatello and Raphael do not appear in this episode, making it the first one that does not feature all of the turtles.
835"I, Monster"Roy BurdineBrandon SawyerOctober 15, 2005 (2005-10-15)S04E05

The Turtles and Casey take their training to an abandoned brickworks and practice stealth in a game of hide and seek. Their training is soon interrupted by an enigmatic figure bandaged from head to toe. The man, who seems to have a special relationship with rats, attacks the team viciously and captures Michelangelo. Leonardo rambunctiously retaliates, to the chagrin of his brothers and Casey. Unbeknownst to them, the Turtles have played a large role in this stranger's dark past. Based on Tales of the Teenage Mutant Ninja Turtles #4

Villain: The Rat King
846"Grudge Match"Roy BurdineChristopher YostOctober 22, 2005 (2005-10-22)S04E06

Michelangelo is challenged by his former Battle Nexus rival, Kluh, who feels that an interference during their final match gave Mikey an unfair opportunity to win. Given the fluke-like nature of his victory, Mikey turns to Leonardo for help in training him to deal with an opponent twice his size. Despite his claims of unfairness, Kluh's father places a spell on the Battle Nexus to ensure that the rematch is a fight to the death.

Villain: Kluh
857"A Wing and a Prayer"Roy BurdineBaz HawkinsSeptember 25, 2005 (2005-09-25)S04E07

During a night-time training exercise on the rooftops of New York City, the Turtles are interrupted by two warring Avians, a race whose appearance resembles angels. The Turtles come to the aid of Raptarr, who is trying to stop the exiled Mephos from starting a civil war in the Avian city and conquering the Earth.

Villain: Mephos
868"Bad Day"Roy BurdineBrandon SawyerNovember 5, 2005 (2005-11-05)S04E08

During a meditation session, Master Splinter's sudden collapse is the first of a nightmarish chain of events, which force the Turtles to face death, destruction, and tragedy. Matters become worse as they come face-to-face with their most contentious foes, who, forming an alliance, seek to break the Turtles' spirits.

Villain: Shredder
879"Aliens Among Us"Roy BurdineChristopher YostNovember 12, 2005 (2005-11-12)S04E09

When the president threatens to cut the funding of the Earth Protection Force, Agent Bishop engineers an alien invasion to attack the president during a press conference before a meeting at the United Nations.

Villain: Bishop
8810"Dragons Rising"Roy BurdineMichael RyanNovember 19, 2005 (2005-11-19)S04E10

As Hun expands the Purple Dragons' power via illicit arms trades, the Turtles and Casey Jones seek to stop him yet again. Leonardo continues to unduly press his brothers while Casey seeks revenge on Hun for causing a tragic event during his childhood.

Villain: Hun
8911"Still Nobody"Roy BurdineBaz HawkinsNovember 26, 2005 (2005-11-26)S04E11

Nobody returns and reaches out to the Turtles and asks their help in stopping his foe, Ruffington, and the Purple Dragons from selling weapons to a violent street gang, the Turks.

Villains: Ruffington and the Purple Dragons
9012"All Hallows Thieves"Roy BurdineGavin HignightOctober 29, 2005 (2005-10-29)S04E12

The Turtles are preparing to celebrate Halloween—one of the few times in the year where they can be seen in public. When costumed thieves steal a statue from April's antique shop, the Turtles put aside their jack-o'-lanterns and pursue them. This theft is part of a bigger plan by a sorcerer, the King of Thieves, who plans to use the statue to unleash a legion of minions on the city. When the Turtles come to disrupt his plans, the sorcerer summons the Thievery God, bringing the statue to life; it then sets out to destroy the Turtles.

Villain: The King of Thieves

Based on Tales of the Teenage Mutant Ninja Turtles #3
9113"Samurai Tourist"Roy BurdineChristopher YostDecember 3, 2005 (2005-12-03)S04E13

Master Splinter invites Miyamoto Usagi—and the irresponsible, sloppy Murakami Gennosuke—from their dimension to Earth in the hopes that Usagi can speak to Leonardo about his wayward attitude. When Gen wanders off to explore downtown Manhattan, the Turtles, Usagi and Casey set out to find him. Their search becomes complicated when an assassin, sent after Leonardo by Lord Hebi, follows Gen and Usagi to Earth.

Villain: Kojima
9214"The Ancient One"Roy BurdineSteve MurphyDecember 10, 2005 (2005-12-10)S04E14

When Leonardo's anger causes him to injure Splinter, he seeks redemption by travelling to Japan. There, he begins a quest to find the Ancient One, who once trained Splinter's sensei, Hamato Yoshi.

Villain: Ghost warriors
9315"Scion of the Shredder"Roy BurdineEugene SonFebruary 4, 2006 (2006-02-04)S04E15

With Leonardo gone, Splinter, Raphael, Donatello and Michelangelo witness the return of the Shredder. They are plunged into the fight of their lives as they ward off volleys of Foot Ninja and Foot Mechs that lay waste to their lair.

Villain: Shredder
9416"Prodigal Son"Roy BurdineGavin HignightFebruary 11, 2006 (2006-02-11)S04E16

Leonardo returns home to find the lair in ruins and his family missing. His search for answers and his family eventually lead him to the realization that Karai is no longer an ally.

Villain: Karai
9517"Outbreak"Roy BurdineChristopher YostFebruary 18, 2006 (2006-02-18)S04E17

Following the invasion engineered by Agent Bishop, genetic material from the replicated aliens combines with inhabitants of the sewers and surrounding waterways, causing a mutant outbreak. Fearing the spread of outbreak, Bishop sends Baxter Stockman to contain the threat. Meanwhile, the Turtles search for items to furnish their new lair, but now must face the threat of attacking mutants.

Villain: Bishop
9618"Trouble with Augie"Roy BurdineEugene SonFebruary 25, 2006 (2006-02-25)S04E18

April discovers a distress signal from her Uncle Augie, who became trapped in another dimension years ago. She appeals to Donatello for help and they use April's puzzle cube to travel across the multiverse. They find Augie, along with his new lizard-like friends, the Brotherhood, who claim they wish to help the inhabitants of Earth. Unfortunately, they soon discover the Brotherhood's true aspirations are not so benevolent.

Villains: The Brotherhood
9719"Insane in the Membrane"Roy BurdineMatthew DrdekOctober 14, 2006 (2006-10-14) (UK)
August 2, 2015 (2015-08-02) (US)[3]
S04E19

The mutant outbreak continues to spread throughout the sewers and subway tunnels while the Turtles try to contain the threat. Back at Area 51, Baxter Stockman prepares a new body for cerebral transfer despite warnings from Agent Bishop. When Stockman's body begins to show signs of rejection, he becomes delirious, which leads to a rampage against the person he believes to have caused all his problems, April O'Neil. In the end, seeing April as his mother due to his delusions, Stockman sacrifices himself by being drowned in the East River while handing her to the Turtles and Casey.

Villain: Baxter Stockman

Note: This episode was initially banned from airing on US television due to content issues. It made its US debut on August 2, 2015 on Nicktoons Channel, during Nickelodeon's Turtle Nation marathon[3]
9820"Return of Savanti, Part 1"Roy BurdineChristopher YostMarch 11, 2006 (2006-03-11)S04E20

Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles and Renet into a trap to obtain the time sceptre. Based on Tales of the Teenage Mutant Ninja Turtles #7

Villain: Savanti Romero
9921"Return of Savanti, Part 2"Roy BurdineChristopher YostMarch 18, 2006 (2006-03-18)S04E21

Having travelled to the past, the Turtles and Renet battle with Savanti Romero and his telepathically controlled dinosaurs as Savanti attempts to change the historic timeline by preventing the dinosaur extinction event.

Villain: Savanti Romero
10022"Tale of Master Yoshi"Roy BurdineSteve MurphyMarch 4, 2006 (2006-03-04)S04E22

When the power goes out in their lair, the Turtles and Splinter gather around the candlelight as Leonardo tells a story he learned from the Ancient One about Splinter's sensei, Hamato Yoshi.

Villain: Shredder
10123"Adventures in Turtle Sitting"Roy BurdineRoland GonzalezMarch 25, 2006 (2006-03-25)S04E23

The Turtles continue to deal with the seemingly unstoppable mutant outbreak, but they leave Donatello under care of April and Casey when he becomes very ill. However, Donatello's illness is not just a cold; he is in the final stages of a secondary mutation that will transform him into a savage beast, to which the other turtles and Leatherhead must work together to capture. Meanwhile, Bishop recovers Stockman's brain from the bottom of the East River and resurrects Stockman giving him the half monster, half cyborg body.

Villain: Baxter Stockman and mutated Donatello
10224"Good Genes, Part 1"Roy BurdineChristopher YostApril 1, 2006 (2006-04-01)S04E24

When it is apparent that Donatello's secondary mutation is causing his body to degenerate, the Turtles and Leatherhead agree they must go directly to Agent Bishop's headquarters to demand a cure. This scenario proves to be fortuitous as Bishop offers to help the Turtles if they retrieve an ancient piece of technology from the Foot.

Villain: The Foot
10325"Good Genes, Part 2"Roy BurdineChristopher YostApril 8, 2006 (2006-04-08)S04E25

The Turtles agree to Bishop's offer in exchange for the cure to Donatello's secondary mutation. They are charged with infiltrating the Foot's headquarters and retrieving the Heart of Tengu. However, Bishop does not have a cure for Donatello and the retrieval of the Heart of Tengu turns out to be the groundwork for a plan that even Bishop doesn't understand.

Villain: The Foot
10426"Ninja Tribunal"Roy BurdineMichael RyanApril 15, 2006 (2006-04-15)S04E26

Still recovering from his secondary mutation, Donatello feels cooped up inside the new lair. To help their brother out, the other Turtles decide to take Don topside to get some much needed air. The Turtles are then ambushed and captured by masked wooden warriors. The Turtles arrive before the Ninja Tribunal, four beings with a great resemblance to the Shredder. Along with four other warriors, the Tribunal entreats the group for aid against a greater evil.

Villain: The Mokusai No Bushi

References

External links

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