Transformers Dark Of The Moon -

: Sentinel Prime reveals he made a deal with Megatron to save Cybertron. He betrays the Autobots, kills Ironhide, and uses the Pillars —technology from the Ark—to create a space bridge intended to transport Cybertron into Earth’s orbit.

: The film reveals that the 1960s space race was a cover for a mission to reach a Cybertronian spacecraft, the Ark , which crashed on the moon. Transformers Dark of the Moon

: The Decepticons invade and take over Chicago, turning it into a "staging ground" for their plan to enslave humanity and use them as labor to rebuild their home planet. : Sentinel Prime reveals he made a deal

: Optimus Prime and the Autobots travel to the moon to recover the Ark’s remains and the body of Sentinel Prime , Optimus's legendary mentor. They bring him back to Earth and revive him using the Matrix of Leadership. : The Decepticons invade and take over Chicago,