The Transformers

Call of the Primitives (3x26)

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The evil Primacron plans to use an energy being named Tornadron to defeat the Transformers and help in his universal conquest. Meanwhile, the animal form Transformers leave during a battle between Autobots and Decepticons upon getting a strange signal. The signal was apparently sent by Primacron's own assistant, who believes this group of "Primitives" can defeat Primacron.