The Tripods(1984)

The Tripods is a science fiction series set in 2089, where towering alien machines called Tripods have conquered Earth and enslaved humanity through mind-control devices implanted during adolescence. Will Parker refuses to accept this fate and flees his village with his cousin Henry, determined to find the human resistance movement and fight back against their extraterrestrial overlords. The story follows their dangerous journey across a transformed world as they search for others willing to resist the Tripods' control and reclaim human freedom.