Season Season 0 Season 1 Episode Episode 1 — Power Up! Episode 2 — Rocket Ball Episode 3 — Destination Deimos Episode 4 — Into Thin Air Episode 5 — Rainbow Canyon Episode 6 — Birth of Atlas Episode 7 — Astro Vs. Atlas Episode 8 — Neon Express Episode 9 — Franken Episode 10 — The Venus Robots Episode 11 — Robot Circus Episode 12 — Reviving Jumbo Episode 13 — Little Sister, Big Trouble Episode 14 — Micro Adventure Episode 15 — Only a Machine Episode 16 — Robot Hunters Episode 17 — The Rise of Pluto Episode 18 — The Fall of Archeron Episode 19 — Robot Boy Episode 20 — Dawn of the Techno-Revolution Episode 21 — Dragon Lake Episode 22 — The Legend of Tohron Episode 23 — Lost In Outland Episode 24 — March of the Micro Bears Episode 25 — Deep City Episode 26 — The Blue Knight Episode 27 — Old Dog, New Tricks Episode 28 — Hydra-Jacked Episode 29 — The Case of the Phantom Fowl Episode 30 — Geo-Raider Episode 31 — Gideon Episode 32 — The Secret of Blue Knight Episode 33 — Fairy Tale Episode 34 — Shape Shifter Episode 35 — Firebird Episode 36 — Space Academy Episode 37 — Atlas Strikes Back Episode 38 — Battle-Bot Episode 39 — Time Hunters Episode 40 — Escape from Volcano Island Episode 41 — Avalanche Episode 42 — Battle of Steel Island Episode 43 — Undercover Episode 44 — Into the Dragon's Lair Episode 45 — Night Before the Revolution Episode 46 — Robotonia Episode 47 — Showdown in Robotonia Episode 48 — Journey to Tomorrow Episode 49 — Astro Reborn Episode 50 — The Final Battle
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Astro is a robotic boy created by Dr. Tenma to replace his late son. When Tenma destroys his laboratory and shuts down Astro, the Ministry of Science revives him and tries to give him a normal life as a 6th-grade student who occasionally helps keep renegade robots from causing harm.
