In the climax of the film, the Autobots, led by Optimus Prime, must stop the Decepticons from using the AllSpark to conquer Earth.
Throughout the movie, Sam Witwicky (played by Shia LaBeouf) discovers that his new car, Bumblebee, is actually a sentient Autobot. He learns about the ongoing war between the Autobots, who seek to protect humanity, and the Decepticons, who seek to enslave it.
In the final moments of the film, the Autobots and the U.S. military launch a desperate attack on the city to prevent the Decepticons from using the AllSpark to create a new army of machines. Sam and his friends, along with the Autobots, fight alongside the military to defend the city from the Decepticons’ onslaught.
The climax culminates in a showdown between Optimus Prime and Megatron, the leader of the Decepticons. With the help of Sam and the humans, Optimus defeats Megatron and destroys the AllSpark, sacrificing his own life in the process to ensure it cannot fall into the wrong hands.
The film ends with the Autobots departing Earth, promising to watch over humanity from afar and to return if needed. Sam and his friends are hailed as heroes for their role in saving the world from destruction.
Through its spectacular action sequences and themes of heroism and sacrifice, “Transformers” delivers an exhilarating conclusion that leaves viewers with a sense of awe and anticipation for future adventures as the credits roll.