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Megatron urges Optimus Prime to accept a treaty, while Starscream questions Jetfire’s leadership. The Autobots try to recruit Bumblebee to their side.
Megatron receives a surprise visitor; Shockwave reveals how finding the mythical Allspark can help defeat the Autobots. The Decepticons lay a trap.
Optimus has a plan but needs Ratchet’s help. Ultra Magnus is tortured for information while Starscream continues to foster dissent among the Seekers.
Elita casts doubt on Optimus’ plan, which includes fixing a Spacebridge. Optimus appeals to the Guardians for help and Bumblebee receives a high honor.
Jetfire offers to help Optimus retrieve the Allspark. Bumblebee, Cog and Arcee go on a mission for energon; Wheeljack tries to get the Ark to fly.
Optimus struggles to obtain the Allspark. Megatron figures out Optimus’ plan and orders an attack on the Autobots, who receive an unexpected assist.
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