Episode Title:The Dweller in the Depths.Episode Description:In their attempt to destroy the Transformers, the Quintessons decide to trick the Decepticons into releasing the Dweller, a vampire-like creature that drains robots of their energy. The Dweller targets Autobots and Decepticons alike, turning some of their forces into energy vampires as well, and threatens to latch on to Cybertron's power core, which will make it unstoppable. But can the Autobots stop this beast from draining their home planet completely dry?