Ginga Tetsudou 999 (Movie)

Tetsuro, a young delinquent driven by a desire for revenge against the robot Count Mecha, who killed his mother, lives in a future where people can replace their bodies with immortal robotic ones. He seeks to steal enough money to travel on the Galaxy Express 999, a spacefaring train that can take passengers to the planet of robots. After evading the police, he meets Maetel, who looks like his mother, and she agrees to take him on the Galaxy Express 999 to obtain a robotic body and confront Count Mecha. During the journey, they encounter various individuals, including Captain Harlock and Queen Emeraldas. Through these experiences, Tetsuro comes to understand the meaning of being human.