Transformers (2007)

"Transformers" follows the epic battle between two factions of alien robots, the Autobots and the Decepticons, who bring their war to Earth. The key conflict revolves around the quest for the life-giving AllSpark, with the fate of humanity hanging in the balance. The movie's main characters include the Autobot leader Optimus Prime, the courageous Sam Witwicky, and the formidable Decepticon leader Megatron.