Dr. Tenma builds a powerful robot named Atlas whose abilities rival Astro's, But Atlas has a rebellious nature and begins to destroy Metro City. Astro must save the city from Atlas, while beginning to learn the secrets of his own past.
Season 1
Power Up! Rocket Ball Destination Deimos Into Thin Air Rainbow Canyon Birth of Atlas Astro Vs. Atlas Neon Express Franken The Venus Robots Robot Circus Reviving Jumbo Little Sister, Big Trouble Micro Adventure Only a Machine Robot Hunters The Rise of Pluto The Fall of Archeron Robot Boy Dawn of the Techno-Revolution Dragon Lake The Legend of Tohron Lost In Outland March of the Micro Bears Deep City The Blue Knight Old Dog, New Tricks Hydra-Jacked The Case of the Phantom Fowl Geo-Raider Gideon The Secret of Blue Knight Fairy Tale Shape Shifter Firebird Space Academy Atlas Strikes Back Battle-Bot Time Hunters Escape from Volcano Island Avalanche Battle of Steel Island Undercover Into the Dragon's Lair Night Before the Revolution Robotonia Showdown in Robotonia Journey to Tomorrow Astro Reborn The Final Battle
Power Up! Rocket Ball Destination Deimos Into Thin Air Rainbow Canyon Birth of Atlas Astro Vs. Atlas Neon Express Franken The Venus Robots Robot Circus Reviving Jumbo Little Sister, Big Trouble Micro Adventure Only a Machine Robot Hunters The Rise of Pluto The Fall of Archeron Robot Boy Dawn of the Techno-Revolution Dragon Lake The Legend of Tohron Lost In Outland March of the Micro Bears Deep City The Blue Knight Old Dog, New Tricks Hydra-Jacked The Case of the Phantom Fowl Geo-Raider Gideon The Secret of Blue Knight Fairy Tale Shape Shifter Firebird Space Academy Atlas Strikes Back Battle-Bot Time Hunters Escape from Volcano Island Avalanche Battle of Steel Island Undercover Into the Dragon's Lair Night Before the Revolution Robotonia Showdown in Robotonia Journey to Tomorrow Astro Reborn The Final Battle