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Season 4
The Decepticons get the Plasma Energy Chamber key after an attack on Autobot City. A group of Autobots manage to get the key back after Scourge opens the chamber, but it's energy
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The Decepticons get the Plasma Energy Chamber key after an attack on Autobot City. A group of Autobots manage to get the key back after Scourge opens the chamber, but it's energy accidentally sends them to Nebulos, a world locked in civil war between the evil Hive (controlled by Lord Zarak) and rebels that despise machines. The Decepticons pursue the Autobots there and they all get involved in the war.
Daniel and four Nebulans join with five Autobots to battle the Hive, but the Hive decide to do something similar with a group of Decepticons. Meanwhile, Optimus Prime goes to Vector
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Daniel and four Nebulans join with five Autobots to battle the Hive, but the Hive decide to do something similar with a group of Decepticons. Meanwhile, Optimus Prime goes to Vector Sigma to find out the whereabouts of the missing Autobots and encounters an old face, learning the answer and what must be done.
After capturing Daniel and Arcee and acquiring the Plasma Energy Chamber key, Scorponok and the Decepticons make their way to Cybertron. The Autobots head after them, but Spike and
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After capturing Daniel and Arcee and acquiring the Plasma Energy Chamber key, Scorponok and the Decepticons make their way to Cybertron. The Autobots head after them, but Spike and Cerebros stay on Nebulos and come up with a strategy to use a Hive city as a weapon against Scorponok. Meanwhile, the Decepticons and Scorponok begin to threaten Earth and it is up to the Autobots and their allies to stop them.
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