Transformers: Galaxy Force is the Japanese original title used for the anime series known internationally as Transformers: Cybertron. It is part of the Transformers franchise and follows the battle over the Cyber Planet Keys, powerful artifacts tied to the fate of several planets. The series features Autobots and Decepticons traveling across worlds while trying to prevent the revival of a great threat. It aired in 2005 and is often treated as the main title for this specific version of the Cybertron storyline.