Dr. Onishi, one of the most brilliant minds on Earth is about to reveal his latest findings to the world's fellow scientists. His son Koji, eagerly waits for his father's broadcast. We catch our first glimpse of Optimus in vehicle mode trying to put out a fire half-way across the world. However, Onishi's announcement is cut short by Megatron, Gas Skunk, Slapper, and Dark Scream. It is then that Koji rushes out and towards the ocean, on his way, he meets Optimus who reveals the secret of the Global Space Bridge and takes it toward his first victory against Megatron. However, Megatron does succeed in kidnapping Onishi...
The Autobots bring Koji to there secret headquarters while the Decepticons go power hungry looking for power to move there base to another location so that the Autobots can not find them.
Team Bullet Train stops the Predacons from destroying a new train.
Late at night Gas Skunk, Dark Scream and Slapper are attempting to sneak into a building to steal a plutonium energy generator. However, before they can get into the building, Optimus Prime appears on the scene with the Autobot brothers! The Predacons fire off their lasers but the Autobots manage to avoid getting hurt. Clearly overmatched, the Predacons retreat.
Underneath the water is a Black Pyramid. Megatron has figured out that it is really a Matrix chamber that can amplify the power of Transformers. However, the chamber needs energy to activate, so Slapper and Gas Skunk begin draining power from the powerlines in the water to activate it. Meanwhile, Koji and Doctor Okase are on a ship to test out its new capability. Koji wonders how they can use it to explore underwater when it's not a submarine. Doctor Okase explains that the ship is capable of a maneuver that no other ship can accomplish, assuming no one else is in the water around the ship at the time. The Predacons are in the water however, and they fear this will draw the Autobots to them. Sky Byte and Dark Scream move out to destroy it. Meanwhile, Koji and the doctor prepare to use the ship's exploration capability. The entire ship suddenly changes to a vertical orientation, allowing the observation unit to move down into the water. Koji is eager to see the Black Pyramid. However, w
Sideburn and Koji investigate a cavern, with Sky-Byte not far behind.
The Predacons take advantage of Sideburn's lust for red sports cars, to lure him into a trap. Once they have Sideburn, they hope to reel in Optimus as well..
Koji is invited to take a trip on an old steam engine called D-5. Team Bullet Train travel beside the train as well. The Predacons think that Team Bullet Train is following the train because it is some sort of secret weapon and they try to steal it.
At Autobot headquarters, the Spychangers are engaged in a simulator exercise, fighting against the Predacons. When Mirage notices that the simulator has two Dark Screams, he shuts the simulator down. The other Spychangers are upset at Mirage. As the other Spychangers practice hand signals, Mirage berates them for practicing such mundane exercises. Meanwhile at Predacon base, Gas Skunk has created a tracking and listening device. They hope to use it to find the location of the Autobot base. At Koji's house, he is watching a news report on a ruby on display at a museum. The ruby is so large scientists believe that it can be used to create a powerful laser. Koji decides to tell Optimus about it, fearing the Predacons will try to steal it. He's right. At Predacon base, Megatron orders Sky Byte to steal the ruby so the Predacons can complete their super weapon: the Mega Laser. At Autobot base, Optimus tells Koji that the Spychangers are guarding the ruby. That night, their skills are put to
The New Autobot Skid-Z arrives on earth. He scans an old racing car but in doing so he is given a competitive instinct to race anyone anywhere. Knowing this, all the Autobots enter a large race hoping to find Skid-Z but Megatron has his own plans....
There's a new Autobot in town, and he starts his day with towing away Sideburn! While Prowl and Tow-Line go on parking patrol, they are watched by the Predacons, and Skybite thinks that Tow-Line makes a perfect addition to their ranks. The Predacons force Tow-Line into thinking that the Autobots are evil, and the tow truck dutifully starts to catch the 'evil-doers'and deliver them to the Predacons for reprogramming...
The Predacons think the humans have a Transformer, and decide to steal it.
The Autobots review the Predacons actions, in hopes of finding a way to proceed.
At Autobot headquarters, Koji is reading about UFO's. Optimus finds it hard to believe that even now some people don't believe in spaceships from other planets. TAI reports that she has finished decoding Dr. Onishi's microchip, and one location in particular seems to be important. It is a location called Castle Peak, where a UFO was reported to have landed 60 years ago. Optimus Prime and the Autobot headquarters quickly head to the site. There, they find the Predacons already digging and Kelly on a nature walk. When Sky-Byte accidentally caves in the area, Kelly disappears while the UFO is revealed! Optimus scans the ship to find six protoforms inside the ship, still in stasis pods. The Predacons try to lay claim to the ship, but the Autobots argue otherwise. Suddenly, Megatron appears and steals the protoforms! The Autobots try to give chase but Sky-Byte, Dark Scream, Slapper and Gas Skunk hold off the Autobots while Megatron escapes. Later at the Predacon base, Megatron explains that
Megatron's plan to force mankind to surrender by blowing up their power-producing dams sinks like X-Brawn, Prowl and Sideburn, when his Decepticon Commando is thwarted by imposter Autobots. The Predacons show a few new tricks and for once, Skybite seems to get away with his plan... if it wasn't for Optimus Prime saving the day (but not the dam).
The Predacons attack a carribean island but in doing so, activates a volcano.
Movor takes the place of a shuttle to attack the Autobots from space.
The Decepticons decide to defect.
Sky-Byte attacks the Autobots to disprove a test that says he's a jellyfish.
The Build team tire of buliding and decide to fight.
The Decepticons gain access to the global space bridge and reprogram it so the Autobots arrive in random locations.
The Predacons plan to destroy a tower, but when they realize that they can get the O-Parts in exchange for the hostages, Sky-Byte has a change of heart.
The Bulid Team alters the space bridge so they can fight the Decepticons on their own.
Ultra Magnus arrives and fights Optimus for the Matrix.
While recuperating, Optimus is attacked by the Decepticons but saved by Ultra Magnus.
The Autobots review the Decepticons.
Sky-Byte offers Ultra Magnus an alliance, providing he can prove he can be trusted.
Scourge offers Ultra Magnus a partnership to destroy Optimus.
The Decepticons and Autobots search for ruins that are in fact, Cybertronian.
Koji is finally reunited with his father, thanks to Sky-Byte.
The Build Team and the Autobot Brothers compete to find O-parts.
After putting the O-parts together, the Autobots find an ancient power source.
The Decepticons capture Cerebros to activate Fortress Maximus.
Koji thinks he can control Fortress Maximus.
Megatron and the Decepticons review the actions of Ultra Magnus in hopes of finding a way to defeat him.
Koji switches places with a friend, who is captured by the Decepticons so they can control Fortress Maximus.
The Decepticons discover the Autobot base and attacks to steal Cerebros.
Galavatron captures the children of the world to force the Autobots to leave.
This is it, the sparks are going to fly. Galvatron has drained Prime of his power and sends him 3000 feet to the ground. It is then that Optimus discovers not only did the Decepticons survive, but so did Sky-byte and the Predacons. All the Autobots make short work of them. Galvatron proceeds to destroy the Autobots one by one. With the help of Magnus, Prime escapes to the remains of the space-bridge. Prime requests that Magnus help him one more time. As Omega Prime, Prime and Magnus issue a final fight between themselves and Galvatron, and lure him to the Earths core. Galvatron easily wipes the floor with Omega. Koji realises his friends are in danger and calls on the help of every child on the planet to restore Fortress Maximus. When energised, Maximus sends his power to Omega, who uses the power to activate the Matrix blade for the true final battle...
