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Transformers: Prime is an American computer-animated superhero television series based on the Transformers toy franchise by Hasbro that aired on Hub Network from November 29, 2010 to July 26, 2013. Transformers: Prime focuses on the superheroic Autobots of "Team Prime", which consists of Optimus Prime, Ratchet, Arcee, Bumblebee and Bulkhead. Throughout their battles, the Autobots are aided by three human children and with their help attempt to protect the Earth from the villainous Decepticons and their leader Megatron.