| Chapter 1: Doom on Jupiter |
| Chapter 2: Out of the Past |
| Chapter 3: Ambush in Space |
| Chapter 4: World of Creeping Crystals |
| Chapter 5: Power of Space Space Emperor |
| Chapter 6: Monsters That Were Men |
| Chapter 7: Otho Takes the Trail |
| Chapter 8: The Trail |
| Chapter 9: Laboratory Magic |
| Chapter 10: Beneath Jovian Moons |
| Chapter 11: Brain and Robot |
| Chapter 12: Secret of the Mine |
| Chapter 13: Place of the Dead |
| Chapter 14: The Living Ancient |
| Chapter 15: Doom of An Earthman |
| Chapter 16: Prison Pit |
| Chapter 17: Chamber of Horrors |
| Chapter 18: The Sleeper in the Cavern |
| Chapter 19: The Epic of Ages |
| Chapter 20: Power of the Ancients |
| Chapter 21: The Unmasking |
| Chapter 22: The Way of Captain Future |
| Chapter 1: The Menace from Space |
| Chapter 2: The Futuremen |
| Chapter 3: On Desert Mars |
| Chapter 4: Flight into Peril |
| Chapter 5: Trail to Pluto |
| Chapter 6: Graveyard of Space-Ships |
| Chapter 7: Encounter in Space |
| Chapter 8: On the Arctic World |
| Chapter 9: Coming of Doctor Zarro |
| Chapter 10: The Marching Mountains |
| Chapter 11: In the Ice City |
| Chapter 12: Interplanetary Prison |
| Chapter 13: Secret of Hunters |
| Chapter 14: Cobalt Clue |
| Chapter 15: Monster Trap |
| Chapter 16: World of Illusion |
| Chapter 17: Hall of Enemies |
| Chapter 18: Dark Star Secret |
| Chapter 19: In Outer Space |
| Chapter 20: Trail in the Stars |
| Chapter 1: Zero Hour |
| Chapter 2: Upon Earth's Moon |
| Chapter 3: Solar Peril |
| Chapter 4: Conference in Space |
| Chapter 5: Grag Becomes a God |
| Chapter 6: Thunder Moon | <
| Chapter 7: On the Ocean World |
| Chapter 8: Trap Under the Sea |
| Chapter 9: Alien Minds |
| Chapter 10: Menace of the Depths |
| Chapter 11: Storm Over Neptune |
| Chapter 12: Scientific Magic |
| Chapter 13: Otho Goes Fishing |
| Chapter 14: Dangerous Imposture |
| Chapter 15: Dwellers from the Deep |
| Chapter 16: Futuremen on the Trail |
| Chapter 17: City of the Sea-Folk |
| Chapter 18: Battle Beneath Ocean |
| Chapter 19: Quaking Doom |
| Chapter 20: Rockets in the Night |
| Chapter 1: Elixir of Evil |
| Chapter 2: Coming of the Futuremen |
| Chapter 3: The Trap on Venus |
| Chapter 4: In the Machine City |
| Chapter 5: Grag Plays Dumb |
| Chapter 6: Trail of the Life-lord |
| Chapter 7: Murder on the Saturn |
| Chapter 8: Secret Syndicate |
| Chapter 9: Horror in the Museum |
| Chapter 10: Amazing Impersonation |
| Chapter 11: In the Fungus Forest |
| Chapter 12: Weird Mystery |
| Chapter 13: Legendary Clue |
| Chapter 14: Into the Mistlands |
| Chapter 15: With the Winged Man |
| Chapter 16: City of Eternal Youth |
| Chapter 17: Battle at the Fountain |
| Chapter 18: Triumph of Captain Future |
| Chapter 1: Martian Secret |
| Chapter 2: Newton's Vacation Ends |
| Chapter 3: The Third Space Stone | >
| Chapter 4: Mental Message |
| Chapter 5: Home to the Moon |
| Chapter 6: Venusian Marsh Danger |
| Chapter 7: Interplanetary Circus |
| Chapter 8: Death Cage |
| Chapter 9: Challenge to the Futuremen |
| Chapter 10: Sons of the Two Moons |
| Chapter 11: On the Martian Moon |
| Chapter 12: Grag Gets Orders |
| Chapter 13: Funeral in Space |
| Chapter 14: In the Meteor Swarm |
| Chapter 15: The Hermit of Space |
| Chapter 16: Pleasure Planet |
| Chapter 17: The Last Space Stones |
| Chapter 18: The Subuniverse |
| Chapter 19: Giant from the Stars |
| Chapter 20: New Universe |
| Chapter 1: Suicide Station |
| Chapter 2: Mystery in Space |
| Chapter 3: The Man of Tomorrow |
| Chapter 4: The Trail to Venus |
| Chapter 5: Oog Redeems Himself |
| Chapter 6: Rocket Clue Sunward |
| Chapter 7: In the Space Palace |
| Chapter 8: Interplanetary Library |
| Chapter 9: On the Comet Nucleus |
| Chapter 10: With the Rocketeers |
| Chapter 11: Riddle of the Void |
| Chapter 12: Saga of the Stars |
| Chapter 13: Quest of the Brain |
| Chapter 14: Time Accelerator |
| Chapter 15: Star Trail to Glory |
| Chapter 16: Through Solar Spaces |
| Chapter 17: Mystery's End |
| Chapter 18: Weird Victory |
| Chapter 1: Prison Moon |
| Chapter 2: The Red Torpedo |
| Chapter 3: The Futuremen |
| Chapter 4: Solar System University |
| Chapter 5: Moon of Mystery |
| Chapter 6: Radite Trail |
| Chapter 7: Johnny's Defiance |
| Chapter 8: People of Darkness |
| Chapter 9: Across Dimensions |
| Chapter 10: Treasure Star |
| Chapter 11: Otho's Disgrace |
| Chapter 12: Incredible World |
| Chapter 13: City of Unseen Men |
| Chapter 14: Duel of Phantoms |
| Chapter 15: Crime Citadel |
| Chapter 16: Solar Funeral-Pyre |
| Chapter 1: Mystery Asteroid |
| Chapter 2: Citadel of Science |
| Chapter 3: The Cry from the Past |
| Chapter 4: The Second Moon |
| Chapter 5: Futuremen in the Past |
| Chapter 6: Unexpected Company |
| Chapter 7: Star Worshipers |
| Chapter 8: Planets of the Past |
| Chapter 9: On the Rocket Trail |
| Chapter 10: A Conjurer on Mars |
| Chapter 11: The Way Out |
| Chapter 12: A World Can Die |
| Chapter 13: Zikal's Spy |
| Chapter 14: Death Under Yugra |
| Chapter 15: Disaster |
| Chapter 16: Castaways Before Creation |
| Chapter 17: Birth of a New System |
| Chapter 18: Darwin's Mistake |
| Chapter 19: The Plot Against a World |
| Chapter 20: Cosmic Destruction |
| Chapter 21: Planet's End |
| Chapter 1: Waning World |
| Chapter 2: Cosmic Secret |
| Chapter 3: Nebula Danger |
| Chapter 4: Dark Mystery |
| Chapter 5: Castaways of the Stars |
| Chapter 6: City Beneath the Ice |
| Chapter 7: Into the Cosmic Cloud |
| Chapter 8: World of the Green Sun |
| Chapter 9: In the Palace Dungeons |
| Chapter 10: Feast in Kor |
| Chapter 11: The Fight in the Palace |
| Chapter 12: Into the Mystery |
| Chapter 13: Epic of the Past |
| Chapter 14: Struggle of Worlds |
| Chapter 15: World of the Watchers |
| Chapter 16: Star Trails |
| Chapter 1: Lunar Secret |
| Chapter 2: Star Rover's Return |
| Chapter 3: Tragedy on Earth |
| Chapter 4: Outlawed Futuremen |
| Chapter 5: Slow Motion World |
| Chapter 6: Alien City |
| Chapter 7: Moon Dog Gorge |
| Chapter 8: Lunar Caves |
| Chapter 9: Shapes in the Dark |
| Chapter 10: Grag's Stratagem |
| Chapter 11: Moon Men |
| Chapter 12: Mountain of Light |
| Chapter 13: Battle in the Moon |
| Chapter 14: Marsh of Monsters |
| Chapter 15: World Without Power |
| Chapter 16: Epilogue |
| Chapter 1: Vanishing Spaceships |
| Chapter 2: Riddle of the Void |
| Chapter 3: On the Comet World |
| Chapter 4: The Cometae |
| Chapter 5: Shadow of the Allus |
| Chapter 6: The Throne Roon |
| Chapter 7: Desperate Research |
| Chapter 8: The Lightning Feast |
| Chapter 9: Dark Triumph |
| Chapter 10: Road to Mystery |
| Chapter 11: The Allus |
| Chapter 12: Mental Duel |
| Chapter 13: Secret of the Invaders |
| Chapter 14: Curt's Way |
| Chapter 15: The Door to Outside |
| Chapter 16: Lost Paradise |
| Chapter 1: People from Beyond |
| Chapter 2: The Futuremen |
| Chapter 3: National Hero |
| Chapter 4: Into Infinity |
| Chapter 5: Dusk of Empire |
| Chapter 6: Under Red Moon |
| Chapter 7: On a Dead World |
| Chapter 8: Trail to Danger |
| Chapter 9: Discovery |
| Chapter 10: Disaster |
| Chapter 11: Checkmate |
| Chapter 12: The Unbodied |
| Chapter 13: Phantom Prisoners |
| Chapter 14: Into the Darkness |
| Chapter 15: Graveyard of Suns |
| Chapter 16: World of Dread |
| Chapter 17: In the Citadel |
| Chapter 18: Escape |
| Chapter 19: Dreadly Secret |
| Chapter 20: Revelation |
| Chapter 1: Prison Ship |
| Chapter 2: Attacked |
| Chapter 3: Jaijbreak |
| Chapter 4: Trapped |
| Chapter 5: Wrecked |
| Chapter 6: Mystery Planetoid |
| Chapter 7: The Tangle-Tree |
| Chapter 8: The Cubics |
| Chapter 9: The Work Begins |
| Chapter 10: Dread Warning |
| Chapter 11: Cosmic Mystery |
| Chapter 12: Who are the Dwellers? |
| Chapter 13: Tragedy of the Void |
| Chapter 14: Riddles of the Jungle |
| Chapter 15: Secret of the Cubics |
| Chapter 16: Dire Awaking |
| Chapter 17: Disaster |
| Chapter 18: Supreme Sacrifice |
| Chapter 19: The Call |
| Chapter 1: Menace in Sagittarius |
| Chapter 2: Danger from the Sun |
| Chapter 3: Visitors from Space |
| Chapter 4: Through the Dimensions |
| Chapter 5: Lost in Space |
| Chapter 6: The Blue Savages |
| Chapter 7: The Brain Becomes a Trojan Horse |
| Chapter 8: The Road to Gorma Hass |
| Chapter 9: Joan to the Rescue |
| Chapter 10: The Sverds Bring Menace |
| Chapter 11: The Bird Men |
| Chapter 12: The Soldiers Arrive |
| Chapter 13: Gorma Hass Talks |
| Chapter 14: Soldier for the Enemy |
| Chapter 15: Lesson in Robot Anatomy |
| Chapter 16: Reunion in Sagittarius |
| Chapter 17: Curved Space |
| Chapter 18: The People of Gorma Hass |
| Chapter 19: The Way Back |
| Chapter 20: Showdown |
| Chapter 1: Stellar Secret |
| Chapter 2: Treachery in Camp |
| Chapter 3: Abducted into Space |
| Chapter 4: Race Against Time |
| Chapter 5: Caught in a Trap |
| Chapter 6: A Derelict in Space |
| Chapter 7: Collapse in Heavens |
| Chapter 8: Crack-up on Aar |
| Chapter 9: Beast-men of Aar |
| Chapter 10: Captain Future's Promise |
| Chapter 11: City of Cruelty |
| Chapter 12: Wicked Men Agree |
| Chapter 13: By Wings at night |
| Chapter 14: Fight Against Oppressors |
| Chapter 15: Joan Randall's Blunder |
| Chapter 16: Sea of Horrors |
| Chapter 17: Perils of the Deep |
| Chapter 18: Hope for Man-Beasts |
| Chapter 19: Ancient Superscience |
| Chapter 1: Menaced World |
| Chapter 2: Daring Imposture |
| Chapter 3: Disastrous Discovery |
| Chapter 4: Peril on Jupiter |
| Chapter 5: Quest of the Brain |
| Chapter 6: Wrath of the Fire Sea |
| Chapter 7: Danger in Space |
| Chapter 8: In Neptunian Depths |
| Chapter 9: Undersea Trap |
| Chapter 10: Scientific Miracle |
| Chapter 11: On Mysterious Styx |
| Chapter 12: Masters of Magic |
| Chapter 13: Ambush in the Mist |
| Chapter 14: Warning of Doom |
| Chapter 15: The Destroyer |
| Chapter 16: Marooned |
| Chapter 17: Attacked |
| Chapter 18: Last Stand |
| Chapter 1: The New Planet |
| Chapter 2: The Witness |
| Chapter 3: Blackbeard |
| Chapter 4: The Trap |
| Chapter 5: Bror Ingmann, Terror of Space |
| Chapter 6: Pygmalion |
| Chapter 7: The Terror of Otho |
| Chapter 8: The Impostors |
| Chapter 9: The Pirate and the Lady |
| Chapter 10: The New Planet |
| Chapter 11: Catastrophe Averted |
| Chapter 12: Moon-Home, Sweet Home |
| Chapter 13: The Moon Fights Back |
| Chapter 14: An Affair of Weight |
| Chapter 15: Council of War |
| Chapter 16: The butterflies Who Chased Men |
| Chapter 17: Reunion on Baldur |
| Chapter 18: Plans for Failure |
| Chapter 19: And Plans for Success |
| Chapter 20: Showdown at Planet's Core |
| Chapter 1: Seven Against a World |
| Chapter 2: Night on Venus |
| Chapter 3: Secret Stratagem |
| Chapter 4: In the Abyss |
| Chapter 5: World of Arkar |
| Chapter 6: The Rooms |
| Chapter 7: Planet of Intrigue |
| Chapter 8: Alien Mystery |
| Chapter 9: Star-World Peril |
| Chapter 10: Cosmic Shadow |
| Chapter 11: In the Red Jungles |
| Chapter 12: Valley of Dream Flowers |
| Chapter 13: Quest for the Crypt |
| Chapter 14: Dragon Sacrifice |
| Chapter 15: Satellite Secret |
| Chapter 16: To the Dark Moon |
| Chapter 17: Crypt of the Old Ones |
| Chapter 18: The Kangas |
| Chapter 1: Radium Raiders |
| Chapter 2: Warning from Space |
| Chapter 3: Into Dreams |
| Chapter 4: Surprise Attack |
| Chapter 5: Space Trail to Danger |
| Chapter 6: In the Moon Forest |
| Chapter 7: On the Pirate Asteroid |
| Chapter 8: Disastrous Discovery |
| Chapter 9: World of the Cave-Apes |
| Chapter 10: Planetoid Trap |
| Chapter 11: Catastrophe from the Sky |
| Chapter 12: The Flare in the Void
|
| Chapter 13: In the Meteor Swarm |
| Chapter 14: Secret of Mars |
| Chapter 15: Into Firely Peril |
| Chapter 16: Outlaw World |
| Chapter 17: In the Solar Satellite |
| Chapter 18: Citadel of Evil |
| Chapter 19: Defeat | /TR>
| Chapter 20: Dark Battle |
| Chapter 1: Fugitive Futuremen |
| Chapter 2: Truant Satellite |
| Chapter 3: Grag in Dimension X |
| Chapter 4: In Pursuit of the Moon |
| Chapter 5: The World-Eaters |
| Chapter 6: Counter-Espionage |
| Chapter 7: Luna Gone Crazy |
| Chapter 8: N'Rala |
| Chapter 9: The Devouring Lake |
| Chapter 10: New Dimensions to Conquer |
| Chapter 11: Oog on the Asteroid |
| Chapter 12: Space Ambush |
| Chapter 13: The Fleets Clash |
| Chapter 14: The Lair of the Overlord |
| Chapter 15: Reunion \\ and the Overlord |
| Chapter 16: The Fate of Universes |
| Chapter 17: Cleanup |
| Chapter 18: Bombing a Star |
| Chapter 19: Peace on Luna |