Mixing Dark Energon with Knock Out's refined Synthetic Energon formula causes Cylas to develop vampiric capabilities, and soon Knock Out and Starscream find themselves in the middle of a vampire-zombie-robot epidemic aboard the Decepticon ship.
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The only episode not to feature Autobots in any capacity. Also one of the few episodes of any Transformers series to focus strictly on the villainous team. See more