Autobots and Decepticons are at war, with humans on the sidelines. Optimus Prime is gone. The key to saving our future lies buried in the secrets of the past, in the hidden history of Transformers on Earth.
Autobots must escape sight from a bounty hunter who has taken control of the human serendipity: Unexpectedly, Optimus Prime and his remaining gang turn to a mechanic, his daughter, and her back street racing boyfriend for help.
The last Gunslinger, Roland Deschain, has been locked in an eternal battle with Walter O'Dim, also known as the Man in Black, determined to prevent him from toppling the Dark Tower, which holds the universe together. With the fate of the worlds at stake, good and evil will collide in the ultimate battle as only Roland can defend the Tower from the Man in Black.
Optimus Prime finds his dead home planet, Cybertron, in which he comes to find he was responsible for its destruction. He finds a way to bring Cybertron back to life, but in order to do so, Optimus needs to find an artifact that is on Earth.
When Cybertron is approaching Earth, a scientist from the European Space Agency states that the International Space Station will be hit by the planet and that it has no escape pod. This is inaccurate as the International Space Station has a one or two Russian made Soyuz spacecraft docked during an expedition depending on how many astronauts are on board. So in reality, the astronauts would have been able to escape and avoid certain death from collision between Cybertron and the International Space Station. See more »
Where the hell is your so-called magician, Arthur?
He'll be here, Lancelot!
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SPOILER: There is a scene in the closing credits: a human team is investigating Unicron's horn in the desert, and Quintessa in human form meets them and offers her assistance. See more »