The Decepticons build the Constructicons who build a machine that makes Megatron powerful enough to defeat Optimus in a winner-takes-all fight.

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Aside from a new line of toys/Decepticons being revealed, not much happens in this episode.

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Optimus and Megatron must work together after Starscream goes rogue and attempts to rule the universe in a surprisingly dark episode.

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In the third part of this three part trilogy, the Autobots save Earth from being torn apart by the gravitational pull of Cybertron.

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Sparkplug is under the control ot Dr. Arkeville and all the feels that Spike can muster won't snap his dad out of it.

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Megatron teams up with Dr. Arkeville to create human slaves through mind control. At the same time, The Decepticon leader works to teleport Cybertron into Earth's orbit.

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Megatron convinces the Dinobots to turn on Optimus while the Autobots commit a staggering number of workplace safety violations with a meteorite.

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Skyfire is back! Yay! Also, the Decepticons steal The Crystal Of Power from a pyramid in Peru in an episode that isn't as culturally insensitive as could be expected.

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A new toy line is born when the Autobots make the Dinobots, who quickly demonstrate how strong and stupid they are.

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While stealing energy from the planet's core, the Decepticons unearth their old ally Skyfire. After questioning his own morals, Skyfire sides with the Autobots. Then he dies.

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