Overview
Cobalt (Jetto), a defective prototype of Astro built by Dr. Tenma, is released from storage and becomes Astro's older brother.
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1 - 1The Birth of Astro Boy January 01, 1963 -
1 - 2Colosso January 08, 1963 -
1 - 3Expedition to Mars January 15, 1963 -
1 - 4One Million Mammoth Snails January 22, 1963 -
1 - 5The Sphinx January 29, 1963 -
1 - 6Zero, the Invisible Robot February 05, 1963 -
1 - 7Captain Atom February 12, 1963 -
1 - 8The Spirit Machine February 19, 1963 -
1 - 9The Deep Freeze February 26, 1963 -
1 - 10Strange Voyage March 05, 1963 -
1 - 11Time Machine February 12, 1963 -
1 - 12Cross Island March 19, 1963 -
1 - 13The Eyes of Christ March 26, 1963 -
1 - 14The Artificial Sun April 02, 1963 -
1 - 15Grass Boy April 09, 1963 -
1 - 16Silver Comet April 16, 1963 -
1 - 17Hullabaloo Land April 23, 1963 -
1 - 18Gangor the Monster April 30, 1963 -
1 - 19The Cosmic Giant May 07, 1963 -
1 - 20Toxor, the Mist Man May 14, 1963 -
1 - 21Satellite R-45 May 21, 1963 -
1 - 22Sea Serpent Isle May 28, 1963 -
1 - 23The Deadly Flies June 04, 1963 -
1 - 24Kingdom of the Sea June 11, 1963 -
1 - 25The Deep-Underground Tank June 18, 1963 -
1 - 26Don Tay's Infernal Machine June 25, 1963 -
1 - 27Pearl People July 02, 1963 -
1 - 28The Wacky Machine July 09, 1963 -
1 - 29Memory Day July 16, 1963 -
1 - 30Secret Agent 3-Z July 23, 1963 -
1 - 31Mysterious Cosmic Rays July 30, 1963 -
1 - 32Hot Dog Corps August 06, 1963 -
1 - 33The Three Magicians August 13, 1963 -
1 - 34Beast From 20,000 Fathoms August 20, 1963 -
1 - 35Planet X August 27, 1963 -
1 - 36The Elixir of Life September 03, 1963 -
1 - 37The Strange Birthday Present September 10, 1963 -
1 - 38The Disturbed Small Planet September 17, 1963 -
1 - 39The Mysterious Cat September 24, 1963 -
1 - 40The Abominable Snowman October 01, 1963 -
1 - 41Deadline to Danger October 08, 1963 -
1 - 42The Yellow Horse October 15, 1963 -
1 - 43Ditto October 22, 1963 -
1 - 44Cleopatra's Heart October 29, 1963 -
1 - 45Return of Cleopatra November 05, 1963 -
1 - 46The Phantom Space Ship November 12, 1963 -
1 - 47The Gigantic Space Crab November 19, 1963 -
1 - 48The Great Space Horse November 26, 1963 -
1 - 493D Tee Vee December 03, 1963 -
1 - 50Westward, Ha! December 10, 1963 -
1 - 51Jimbo the Great December 17, 1963 -
1 - 52Snow Lion December 24, 1963 -
1 - 53Goodbye 1963 December 31, 1963 -
1 - 54Duel on the Alps January 04, 1964 -
1 - 55Rejuvenating Gas January 18, 1964 -
1 - 56The Moon Monsters January 25, 1964 -
1 - 57Astro Boy goes to School February 01, 1964 -
1 - 58The Island of Mystery February 08, 1964 -
1 - 59The Super Duper Robot February 15, 1964 -
1 - 60Dogma Palace February 22, 1964 -
1 - 61Space Parasites February 29, 1964 -
1 - 62The Haunted Ship March 07, 1964 -
1 - 63The Man-Made Iceberg March 14, 1964 -
1 - 64Vampire Vale March 21, 1964 -
1 - 65The Terrible Tidal Wave March 28, 1964 -
1 - 66Vikings April 04, 1964 -
1 - 67The Devil Doll April 11, 1964 -
1 - 68Dinosaur Dilemma April 25, 1964 -
1 - 69The Clock Tower Mystery May 02, 1964 -
1 - 70The Flower Monster May 09, 1964 -
1 - 71Attack From Space May 16, 1964 -
1 - 72Shipwreck in Space May 23, 1964 -
1 - 73Big Titan June 06, 1964 -
1 - 74Mission to the Middle of the World June 13, 1964 -
1 - 75Inca Gold Fever June 20, 1964 -
1 - 76The Monster Machine June 27, 1964 -
1 - 77The Hooligan Whodunit July 04, 1964 -
1 - 78Funnel to The Future July 11, 1964 -
1 - 79Super Brain July 18, 1964 -
1 - 80Mighty Minute July 25, 1964 -
1 - 81Dream Machine August 01, 1964 -
1 - 82The Robot Olympics August 15, 1964 -
1 - 83Dunder, Bird of Doom August 22, 1964 -
1 - 84Dolphins in Distress August 29, 1964 -
1 - 85The Mad Beltway September 05, 1964 -
1 - 86The Terrible Time Gun September 12, 1964 -
1 - 87Space Princess September 19, 1964 -
1 - 88Mighty Microbe Army September 26, 1964 -
1 - 89Horrible King Horrid October 03, 1964 -
1 - 90Mystery of the Amless Dam October 10, 1964 -
1 - 91Galeom From Galaxy G October 24, 1964 -
1 - 92The Three Robotiers October 31, 1964 -
1 - 93Brother Jetto November 07, 1964 -
1 - 94Angel of the Alps November 14, 1964 -
1 - 95Magic Punch Card November 21, 1964 -
1 - 96The Great Rocket Robbery November 28, 1964 -
1 - 97Contest in Space December 05, 1964 -
1 - 98Gift of Zeo December 12, 1964 -
1 - 99A Deep Deep Secret December 19, 1964 -
1 - 100The Wonderful Christmas Present December 26, 1964 -
1 - 101Uncharted World January 02, 1965 -
1 - 102Jungle Mystery January 09, 1965 -
1 - 103The Terrible Spaceman January 16, 1965 -
1 - 104The Devil’s Balloon January 23, 1965 -
1 - 105General Astro January 30, 1965 -
1 - 106The Mighty Mite From Ursa Minor February 06, 1965 -
1 - 107Mystery of the Metal Men February 13, 1965 -
1 - 108Super Human Beings February 20, 1965 -
1 - 109Phoenix Bird February 27, 1965 -
1 - 110Menace from Mercury March 06, 1965 -
1 - 111Robot Polymer March 13, 1965 -
1 - 112Samson’s Hair March 27, 1965 -
1 - 113Dangerous Mission April 03, 1965 -
1 - 114Metro Monster April 10, 1965 -
1 - 115The Big Runaway Safe April 17, 1965 -
1 - 116The Greatest Robot on Earth (part one) April 24, 1965 -
1 - 117The Greatest Robot on Earth (part two) May 01, 1965 -
1 - 118Robot Grabby May 08, 1965 -
1 - 119Planet 13 May 15, 1965 -
1 - 120Time Hunter May 22, 1965 -
1 - 121Prisoners in Space May 29, 1965 -
1 - 122The Monster Mantler June 05, 1965 -
1 - 123Captain Dog June 19, 1965 -
1 - 124Double trouble July 03, 1965 -
1 - 125Find the Bacteria July 10, 1965
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1 - 126Roboids July 17, 1965 -
1 - 127The Experimental Robot July 24, 1965
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1 - 128Treasures of the Inca Empire July 31, 1965 -
1 - 129Atom vs. Atom August 14, 1965 -
1 - 130The Storm on Mars August 21, 1965 -
1 - 131The Moon Champion August 28, 1965 -
1 - 132Prince Louis September 04, 1965 -
1 - 133Revenge After Ten Years September 11, 1965 -
1 - 134Operation Escape September 18, 1965 -
1 - 135The Robot-Dog Backy September 25, 1965 -
1 - 136Inspector Jaguar October 02, 1965 -
1 - 137Little Cooley October 09, 1965 -
1 - 1381 Long Day October 16, 1965 -
1 - 139Atom Stolen October 23, 1965
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1 - 140The King and Atom October 30, 1965 -
1 - 141The Locomotive March November 06, 1965 -
1 - 142Minya’s Star November 13, 1965 -
1 - 143Bird Street Story November 20, 1965 -
1 - 144Lost Friendship November 27, 1965 -
1 - 145Atom in the Deep Sea December 04, 1965 -
1 - 146Report from the Future December 11, 1965 -
1 - 147Mid-air Screen December 18, 1965 -
1 - 148Robio and Robiet December 25, 1965 -
1 - 149The Can Capriccio January 01, 1966 -
1 - 150Miss Magnet January 08, 1966 -
1 - 151Lonely Atom January 15, 1966 -
1 - 152The Robot Bombs January 22, 1966 -
1 - 153The Red Merry-Go-Round January 29, 1966 -
1 - 154Blue Bird Story February 05, 1966 -
1 - 155The Crazed Boundary February 12, 1966 -
1 - 156Robot Mayor February 19, 1966 -
1 - 157Gypsy’s Star February 26, 1966 -
1 - 158Funny Companion March 05, 1966 -
1 - 159Devil and Angel March 19, 1966 -
1 - 160The Golden Flute March 28, 1966 -
1 - 161Dream-Selling Aliens April 02, 1966 -
1 - 162Operation Candy April 09, 1966 -
1 - 163Road to Another World April 16, 1966 -
1 - 164The Space Spider April 23, 1966 -
1 - 165A Great Fuss Over Babies April 30, 1966 -
1 - 166The Jewel-Eating Monster May 07, 1966 -
1 - 167Plenty of Balloons May 14, 1966 -
1 - 168The Island That Jumped Up May 21, 1966 -
1 - 169Gift from the Future May 28, 1966 -
1 - 170Two Princesses June 04, 1966 -
1 - 171Kutcher Forever June 11, 1966 -
1 - 172The Herald Brothers June 25, 1966 -
1 - 173Robotty July 02, 1966 -
1 - 174The Great Submarine Canal July 09, 1966 -
1 - 175Robot Wars (part one) July 23, 1966 -
1 - 176Robot Wars (part two) July 30, 1966 -
1 - 177The Gigantic Robot August 06, 1966 -
1 - 178Chi-tan’s Nighttime Adventure August 20, 1966 -
1 - 179Blue Horseman (part one) August 27, 1966 -
1 - 180Blue Horseman (part two) September 03, 1966 -
1 - 181Ghost Manufacturing Machine September 10, 1966 -
1 - 182Demented Cobalt September 24, 1966 -
1 - 183Japanese People from Space October 01, 1966 -
1 - 184Time War October 08, 1966 -
1 - 185Star of Africa October 22, 1966 -
1 - 186Monsters Come out at Night October 29, 1966 -
1 - 187Baily’s Legend November 05, 1966 -
1 - 188Tengu of Kurama November 19, 1966 -
1 - 189Confusion at the Shooting Studio November 26, 1966 -
1 - 190Miracle of Mesopotamia December 03, 1966 -
1 - 191Wandering Roppi December 17, 1966 -
1 - 192Medusa’s Mansion December 24, 1966 -
1 - 193The Greatest Adventure on Earth December 31, 1966