Episode Guide

In the aftermath of Unicron's defeat, the heroic Autobots are now led by Rodimus Prime and struggle valiantly to defeat Galvatron and his Decepticon army.

66. Five Faces of Darkness Part 1
In the midst of celebrations over Unicron's defeat, Wheelie and Blurr are sent to Earth with a new transformation cog for Metroplex. Spike, Ultra Magnus and Kup are kidnapped by mysterious captors. Arcee, Grimlock, Rodimus Prime, and Springer capture an alien who claims the Decepticons are behind the plot, so they go to the new Decepticon base on Charr to investigate. They find the Decepticons in bad condition and low on energy. Cyclonus and Scourge are off looking for Galvatron, who is missing and presumed dead. Although they decide the kidnappers must be someone else, Grimlock and Rodimus Prime have their cover blown and are in for a major thrashing.

67. Five Faces of Darkness Part 2
Arcee and Springer rescue Rodimus Prime and Grimlock from Charr, but Rodimus appears dead. He is actually making a subconscious journey into the Matrix, where he is shown that the Quintessons are the real kidnappers. He wakes up and prepares a rescue on Quintessa. Meanwhile, Scourge and Cyclonus find Galvatron, who is fully recovered and ready to resume the fight with the Autobots. The Quintessons are about to feed Kup, Spike, and Ultra Magnus to the Sharkticons for an unspecified crime when the others show up and pull them out. The Quints decide to destroy Quintessa if it will mean killing the Autobots.

68. Five Faces of Darkness Part 3
The exploding Quintessa sends the Autobots to the trash dump, Goo, where a garbage scow dismembers Springer. Wheelie and Blurr are stranded on a distant planet, plagued by Decepticon attacks, space storms, and mechanical bats. Marissa Fairborne of Earth Defense Command answers their distress call, but her ship is also blown up. The Quintessons have made a deal with the Decepticons and offer them energy in return for destroying the Autobots. Except for Blitzwing, they all accept and follow the Quintessons to Goo. When they arrive, they open fire on the trapped Autobots.

69. Five Faces of Darkness Part 4
Galvatron and the others find Blitzwing on Charr. He tells them their comrades are on Goo. Galvatron calls off the fight to conference with their suspicious new allies, the Quintessons. The Quintessons secure an alliance with Galvatron by suggesting that there is a Decepticon Matrix to be found. The Junkions give the Autobots a lift and repair Springer. Rodimus Prime is curious about the Quintessons' motives and journeys into the Matrix once more to get a final answer. It turns out the Quintessons are the original creators of all Transformers eons ago when the Autobots and Decepticons had not begun to fight. The Transformers revolted and drove the Quints off the factory of Cybertron and the Quints have been looking for revenge ever since. Knowing this means deep trouble. Rodimus and the others put Cybertron on full alert, but a clever trick destroys Cybertron's power station, allowing the Decepticons to literally walk in as an all-out battle begins.

70. Five Faces of Darkness Part 5
As the fighting on Cybertron goes on, the Constructions have created Trypticon on Earth. Trypticon attacks the still cog-less Metroplex. Sky Lynx is sent to retrieve the cog from Wheelie and Blurr and ends up fighting off the new Predacons before making it to Earth. The cog is given to Metroplex during the battle and he throws Trypticon over the horizon. Blitzwing discovers that there is no Decepticon Matrix. On Cybertron, the Quintessons sneak past the distracted Decepticons and Autobots and activate a immobilization device which they had tried unsuccessfully to use before to stop the revolt of the Transformers. All Transformers are immobilized, but Spike isn't and manages to reverse the freeze ray. After the Quints escape, the fighting is called off by Blitzwing, who forces Galvatron to retreat for the time being.

71. The Killing Jar
The Quintessons are ever expanding their research on living beings and decide to conduct a study on a new group of subjects. Marissa, Cyclonus, Ultra Magnus, and Wreck-Gar are captured and put into cages for study. The Quintessons toy with them, gaging their interactions, and don't notice the ship is dangerously near a black hole. They are all sucked into a negative world. The Quintessons end up studying how everyone works together as they all cooperate to find a way of pulling the ship out.

72. Chaos
Blast-Off discovers a wimpy alien using a very powerful cannon: a bazooka-device which shoots green explosive crystals. The crystals are shed from the body of Chaos, a giant humanoid monster that Kup met ages ago. Galvatron goes to Chaos' planet and builds a giant gun with which he plans to destroy Cybertron. Kup and some other Autobots stop him and Kup turns the gun on his old enemy, Chaos.

73. Dark Awakening
The Autobots discover the ship which contains the dead bodies of several Autobots, including Optimus Prime. It seems that Optimus is not as dead as previously thought. He reclaims the Matrix from Rodimus Prime. The others soon realize that Optimus is not acting under his own free will and it is all a plot by the Quintessons. The Matrix is returned to Hot Rod and the others escape, leaving Optimus to pilot the ship to his apparent death.

74. Forever is a Long Time Coming
The former Autobot slavemasters, the Quintessons, are back! They have opened a rift in time and its up to the Autobots to find out why. Before that happens, The Autobots are attacked by Sharkticons and five Autobots are sent into the past; and the chief science officer, Preceptor, is out of comission. Time ripples are starting to warp reality and the Quintessons call a truce long enough to reveal that if they are not allowed to shut down their time machine soon, its effects will destory the entire universe.

75. Starscream's Ghost
Trying to escape from Galvatron and the Decepticons who want him destroyed, Octane befriends the Autobot Sandstorm, who gets him asylum. The Decepticons track down Octane and attack him on Cybertron. He takes refuge in a Decepticon crypt and encounters Starscream's ghost. The ghost possesses Cyclonus and pretends to torture Octane. Galvatron discovers the truth at the last minute and blasts Cyclonus. Cyclonus comes to, with no memory of what happened. Meanwhile Scourge is possessed by Starscream.

76. Thief in the Night
After the battle with Metroplex, Trypticon has been vanquished. Octane finds him and takes him to an oil-rich country where they do the king's bidding in exchange for special Energon. The Autobots catch on to what's happening after world monuments begin to disappear and the evidence indicates a dinosaur Transformer. The other Decepticons find Octane and he convinces Galvatron he was scouting resources for him. The Autobots soon arrive with Metroplex and Trypticon is once more defeated.

77. Surprise Party
Following Daniel's surprise birthday party, Ultra Magnus saves Wheelie's life. Both Daniel and Wheelie want to do something nice for him and decide to throw him a surprise party. There's only one problem: no one, including Ultra Magnus, knows his birthday. Daniel and Wheelie go to the Autobots' records planetoid to learn the information. Cyclonus sees this, captures them, and sets the planetoid on a collision course with Cybertron. Daniel and Wheelie get off the planetoid just before it is destroyed.

78. Madman's Paradise
Spike Witwicky and his wife Carly host a banquet for a visiting ambassador. Their son Daniel gets impatient and storms off. Grimlock follows him and they find a mystical chamber where Quintessons banished their criminals. They slip through to a world of magic and fight on the Red Wizard's side. They soon find out that he is a Quintesson and that they must help the Golden One. Ultra Magnus, Blaster, Eject, Rewind, Ramhorn, and Steeljaw show up to help, they go home, and everyone is happy.

79. Nightmare Planet
Daniel is having nightmares and the Autobots find themselves caught up in them with Predacons. They manage to battle through the situations that they find themselves in with the help of Daniel's imagination. They soon discover that Daniel is the subject of a Quintesson experiment and rescue him.

80. Ghost in the Machine
Starscream's ghost seeks a new body and, through the body of Scourge, reactivates Unicron's head. He is given three tasks to fulfill in order to receive his body. He must first steal Metroplex's eyes (but one is destroyed and one of Trypticon's must be taken). Next, he must steal Trypticon's transforming cog. Finally, he has to connect Unicron to Cybertron as his new body. Scourge cuts out of the deal and the plan to give Unicron a new body is stopped, but Starscream has his body. Unfortunately for him, he is drifting through space aimlessly.

81. Web World
Galvatron is brought to a world in order to repair his deranged mind. Psychologists try every treatment that they have to try to cure him, but they all fail. When they run out of options, they decide to use a treatment that would destroy the "damaged" part of Galvatron's brain. Cyclonus realizes that that would turn his leader into a mental vegetable and puts up a fight. In all the commotion, Galvatron breaks free and destroys the planet using the knowledge he gained in his mindmeld.

82. Carnage in C-Minor
The Transformers find a planet where sound technology is the norm and three people use their combined voices as a super weapon. The Decepticons convince the soprano female, who is dissatisfied with her society, to join them. Soundwave records her voice and wreaks havoc. The Autobots hook up with the alto, her lover, and she rejoins them. The Decepticons manage to record the bass voice and prepare to attack Metroplex with the three voices. Blaster counters them with the "anti-sound" of the singers.

83. The Quintesson Journal
Two ancient races are at war. The Quintessons have been aggravating the war for centuries so that they can sell arms to both sides. The Autobots eventually discover a lost Quintesson Journal detailing these activities and display it at a peace conference they set up between the two races. The races call off the war and go their separate ways.
(Note: This episode takes place after "The Big Broadcast of 2006")

84. The Ultimate Weapon
Galvatron claims to have a new weapon which is capable of mass destruction. He uses it as a threat to get what he wants. First Aid, a pacifist by nature, leaves his fellow Autobots after failing to stop Swindle from stealing Metroplex's transformation cog. First Aid is finally persuaded by Hot Spot to return. He steals Trypticon's transformation cog and installs it in Metroplex. Rodimus Prime realizes Galvatron is bluffing about the weapon or he would have already used it and the Decepticons retreat.

85. The Big Broadcast of 2006
The Quintessons transmit subliminal messages over the Junkions' airwaves in an attempt to control them. The Junkions first become hostile and then generous. They decide to share their doctored airwaves with the other races in the galaxy. This spreads the subliminal messages even further. Cyclonus attempts to convince Galvatron of the strategic possibilities of this but he refuses to listen. As a result, Cyclonus investigates on his own.

86. Fight or Flee
Sandstorm is the leader of a group of pacifist Autobots on a planet with a rich energy core called Paratron. The Decepticons find the planet and take it over. The Autobots on the planet will not fight them, as they have sworn off war to keep their planet peaceful. The other Autobots land on the planet and convince their compatriots that fighting is the only way to get rid of the Decepticons. The Decepticons decide to blow up the planet if they can't keep it and all the Autobots are evacuated to Cybertron.

87. The Dweller in the Depths
In a plot to destroy the Transformers and reclaim Cybertron, the Quintessons convince Galvatron and the Decepticons to unleash a half-organic, half-metallic beast located at the center of Cybertron. It attacks the entire planet, forcing the Autobots to eject a newly installed power core to prevent the beast from becoming unstoppable.

88. Only Human
Rodimus Prime, Ultra Magnus, Arcee, and Springer are captured by humans and their consciousnesses are removed. They find themselves in human bodies and barely escape from a trash compactor. Meanwhile, their Transformer bodies are going to be used to infiltrate Autobot City and destroy the remaining Autobots. Springer manages to be the pilot of his own body and rescues the other Transformer-humans. He attacks Autobot City straight on to let them know something is wrong. The Autobots are returned to their bodies by Perceptor.

89. Money is Everything
The Technobots are patrolling Earth with Marissa Fairborne and capture a smuggler who has been double crossed by the Quintessons. He takes his ship and some of the Technobots to the Quintesson base against the plans of Fairborne. The others follow and are attacked by the Terrorcons, who are being controlled by the Quintessons on timers. The smuggler uses a clever ploy to reenergize the damaged Technobots using the device he smuggled. Abominus and the Quintessons are defeated.

90. Grimlock's New Brain
Galvatron attempts to sabotage the Autobots' new power source on Cybertron by introducing particles that cause Transformers to go out of control. The Autobots travel through the subterranean caves of Cybertron to shut down the malfunctioning power source and Grimlock is charged with the particles. These particles make him instantly brilliant. Galvatron is determined to find more of the particles and discovers they only exist in Unicron's brain. The Decepticons and Terrorcons travel to Unicron's head and get a new supply, but Grimlock has anticipated this and the Autobots counterattack. The Autobots are being defeated by the particles, but Grimlock creates the Technobots to battle the Terrorcons who have formed Abominus. Grimlock's incredible knowledge is transferred to Computron. The Decepticons are defeated and their supply of the particles is destroyed.

91. Call of the Primitives
In the wake of the failure of his masterpiece, Unicron, Primacron sends out his other creation; Tornatron, a creature of pure energy. Tronatron begins sucking stars dry, trying to empty the universe for Primacron. Before Tornatron attacks Cybertron, Primacron's "Assistant", calls all the primitive Transformers (i.e., the Dinobots, Predacons, etc.) away. The Assistant sends the primitives to fight Tornatron. In the end, Grimlock gets into Primacron's lab and destroys the control device for Tornatron, saving the universe.

92. Face of the Nijika
Long ago, the Quintessons locked up a race of people in some kind of quadrant lock to prevent them from using the light of the stars to do wondrous things which would present a danger to their own power. Running from the Autobots, the Quintessons retreat to that planet. The Autobots follow and the quadrant lock device becomes damaged. The race trapped on the planet hate both the Quintessons and their robots, causing trouble for the Autobots. Perceptor is separated from the others and he is locked in microscope mode. One of the natives carves out his Autobot symbol and a vital component beneath it which he uses to repair a robot astronaut from before the first coming of the Quintessons. Perceptor manages to take control of this robot and the two of them become friends. The Quintessons also need Perceptor's component to fix their quadrant lock device so they kidnap Perceptor's friend and force him to give it up. The Autobots attack at that time, defeat the Quintessons, and take the planet out of the quadrant lock.

93. The Burden Hardest to Bear
Rodimus Prime is feeling annoyed at having to be the leader. Coincidentally, he has a run-in with some Decepticon cars and crashes down a mountainside, losing the Matrix. The Decepticons bring it to Galvatron, who attempts to use it to soup-up his cannon. He fails and orders Scourge to destroy it, but Scourge puts the Matrix into himself and becomes super-powerful. He rebels against Galvatron and attacks Earth. Hot Rod is jubilant over not having to deal with leadership anymore, but ends up defeating Scourge and retakes the Matrix upon realizing it is his responsibility.

94. The Return of Optimus Prime Part 1
Humans, using a new experimental metal, pilot their ship into the star in which the ship piloted by Optimus Prime is burning up. They rescue the body and bring it back to Earth. One of the scientists has a grudge against Prime and Transformers and wants to use him as bait to set the other Autobots up. The scientists discover their ship has been covered in spores that induce hate and plan to use these on the Autobots. Another scientist warns the Autobots of the trap, but she is not informed of the whole plan and the Throttlebots, Aerialbots, and many other Autobots are infected. The Decepticons arrive, intending to steal the metal, but are themselves infected, except for Galvatron. The infected Transformers go on a rampage, infecting Transformers and humans alike. Rodimus Prime escapes and shuts down Metroplex, but is pursued and infected by Ultra Magnus. Sky Lynx follows his previous orders and captures a Quintesson to rebuild Optimus. They arrive on Earth and Optimus Prime is brought back to life.

95. The Return of Optimus Prime Part 2
A small force of Autobots who were deactivated by Superion before infection are rebuilt by the Quintesson. In this process, Bumblebee is rebuilt into Goldbug. The Autobots must get the Matrix from an infected Rodimus Prime. They need the metal Galvatron stole to protect Optimus Prime from infection. They locate Galvatron, but nearly all of the Autobots and Galvatron are infected in the process. Optimus gets the Matrix from Rodimus, but the remaining Autobots are infected. He enters the Matrix and uses it to cure everyone, but the wisdom of the Matrix has been lost and now needs refilling.

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