Casshan: Robot Hunter

Episode 3

Black King orders a bridge be repaired so he can move his forces into a small village while human resistance plan to bomb the bridge once the train is on it. Casshan and Luna wonder what's going on and are ambushed by a trio of robot scouts who Casshan and Friender easily defeat. After which Casshan hacks into one of the scouts and discovers that the Black King is planning on insiting the Sigma Project of his father which was the creation of eco-friendly androids. However, the Black King is then planning on using them to replace humans. While Casshan struggles with what to do his mother appears and tells him to stop the Black King while Luna meets up with the human resistance. As the train cross the bridge Casshan stops the resistance but then immediately regrets it. The groups leader detonates the bomb manually but it's too late. Casshan then redeems himself by destroying the train and vows never to lose his path again.