| 0 | - | cover | 1 | pencils: Carmine Infantino; inks: Murphy Anderson | |
| 1 | The Cosmic Chessboard! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | Captain Comet |
| 2 | The Cosmic Chessboard! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 3 | The Time Killer | comic story | 5.67 | script: Gardner Fox; pencils: Gil Kane; inks: Sy Barry | Alan Hunter |
| 4 | The Aquarium of Tomorrow! | comic story | 6 | script: Sid Gerson; pencils: Mort Drucker; inks: Sy Barry | Pearson; Mr. Scott |
| 5 | The Road to Nowhere! | comic story | 6 | script: Sid Gerson; pencils: Henry Sharp; inks: Bernard Sachs | Dr. Westlake; General Stanton |
| 6 | The Showboat of Space! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Dr. Kardak; Jon Vindley; Vul Keen; Joe King |
| 7 | Grab-Bag Planet | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 8 | The Grab-Bag Planet! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 9 | Man Into Martian! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 10 | Do Not Open Till Doomsday! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Bernard Sachs | Dr. George Lynch; Jimmy Lynch; Andy; Bill |
| 11 | Experiment in Destiny! | comic story | 5.67 | script: Sid Gerson; pencils: Murphy Anderson; inks: Sy Barry | |
| 12 | The Holidays of Tomorrow! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood; Jon Varrel (villain); Burt Knowlen (villain) |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 14 | Honeymoon in Space | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 15 | Interplanetary Insurance, Inc. | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 16 | The Earthman and the Robot! | comic story | 5.67 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 17 | Planet in Reverse! | comic story | 6 | script: Sid Gerson; pencils: Alex Toth; inks: Frank Giacoia | |
| 18 | - | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | |
| 19 | The Invaders from the Golden Atom | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 20 | The Man Who Saw the Future! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 21 | The Wonder Toys | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Frank Giacoia | |
| 22 | The Strangest Show on Earth | comic story | 5.67 | script: Sid Gerson; pencils: Mort Drucker; inks: Bernard Sachs | |
| 23 | The Cosmic Jigsaw Puzzle! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood; Eldred Tharn (villain) |
| 24 | The Seeing-Eye Humans! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | Captain Comet |
| 25 | The Seeing-Eye Humans! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson; letters: Gaspar Saladino | "Big Mase" Masefield; Professor Zackro; Captain Comet |
| 26 | The Space Twister | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Sy Barry | Eric Larson; Anne Lawson; Hogat |
| 27 | Detour Through Time | comic story | 3.67 | script: Gardner Fox; pencils: Frank Giacoia; inks: Frank Giacoia | |
| 28 | Invasion from the World Below! | comic story | 8 | script: Mann Rubin; pencils: Jim Mooney; inks: Ray Burnley | |
| 29 | The Hotrods of Space! | comic story | 5.67 | script: Edmond Hamilton; pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow, Brent Wood |
| 30 | The Last Mile of Space! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | |
| 31 | The Last Mile of Space | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 32 | The Man in the Moon! | comic story | 6 | script: Sid Gerson; pencils: Frank Giacoia; inks: Frank Giacoia | Ted; Jimmy |
| 33 | The Thought Pirate! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 34 | The Magnetic Duel! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 35 | The Guilty Gorilla! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 36 | The Guilty Gorilla! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 37 | The Negative Invasion! | comic story | 5.67 | script: Sid Gerson; pencils: Jerry Grandenetti; inks: Joe Giella | |
| 38 | The Carbon-Copy Genius | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 39 | Phantom Earth | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 40 | The Gifts from Space! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood; Dar Hal |
| 41 | The Mind Monster! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Joe Giella; letters: Ira Schnapp | Adam Blake, Captain Comet |
| 42 | The Mind Monster | comic story | 7.67 | script: John Broome; pencils: Murphy Anderson; inks: Bernard Sachs | |
| 43 | From Eternity to Here! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Joe Giella | |
| 44 | Earth's Unlucky Day! | comic story | 4 | script: John Broome; pencils: Sy Barry; inks: Sy Barry | |
| 45 | The Return of the Conqueror | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Bernard Sachs | |
| 46 | The Rebus of Space! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood; Findley Blaine |
| 47 | The Chain Gang of Space! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Joe Giella; letters: Ira Schnapp | |
| 48 | The Chain Gang of Space | comic story | 5.67 | script: Jack Miller; pencils: Jerry Grandenetti; inks: Joe Giella | Duncan Blair; Mark Tonel; Dr. Helene Latour |
| 49 | The Super-Luck of Mr. Luke! | comic story | 6 | script: Sid Gerson; pencils: Frank Giacoia; inks: Frank Giacoia | |
| 50 | The Martian Freak! | comic story | 6 | script: Arthur Wallace; pencils: Gil Kane; inks: Joe Giella | |
| 51 | The Runaway World! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 52 | The Beast from Out of Time! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | Adam Blake, Captain Comet |
| 53 | The Beast from Out of Time | comic story | 7.67 | script: John Broome; pencils: Murphy Anderson; inks: Joe Giella | Adam Blake, Captain Comet |
| 54 | The Amazing Inventions of Hiram Thistle! | comic story | 6 | script: Jack Miller; pencils: Mort Drucker; inks: Sy Barry | |
| 55 | Last Day on Earth! | comic story | 4 | script: John Broome; pencils: Sy Barry; inks: Sy Barry | |
| 56 | The Spy from Space | comic story | 5.67 | script: John Broome; pencils: Gil Kane; inks: Bernard Sachs | |
| 57 | The Forbidden World! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Dr. North; Captain Brent Wood |
| 58 | The Planet of Ancient Children! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | |
| 59 | The Planet of Ancient Children! | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 60 | I Delivered Mail from Mars! | comic story | 6 | script: Otto Binder; pencils: Mort Drucker; inks: Joe Giella | Joe Smith; Wilson; Vaggo Xat |
| 61 | The Eternal Prisoner | comic story | 5.67 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 62 | The Eye-Dropper World | comic story | 6 | script: Otto Binder; pencils: Murphy Anderson; inks: Joe Giella | |
| 63 | The Hunters of the Future! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow |
| 64 | The Great Space-Train Robbery! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Bernard Sachs; letters: Ira Schnapp | |
| 65 | The Great Space-Train Robbery! | comic story | 5.67 | script: Otto Binder; pencils: Gil Kane; inks: Bernard Sachs | |
| 66 | The Mad Planet | comic story | 6 | script: Sid Gerson; pencils: Virgil Finlay; inks: Virgil Finlay | |
| 67 | The Studio Beyond the Stars! | comic story | 5.67 | pencils: Mort Drucker; inks: Joe Giella | Ken Driscoll |
| 68 | The Robot Detective of Mars | comic story | 6 | pencils: Carmine Infantino; inks: Sy Barry | Bert Brandon; Queue |
| 69 | The Phantom Prize Fighter! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | Adam Blake, Captain Comet |
| 70 | The Phantom Prize Fighter! | comic story | 6 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | |
| 71 | The Traffic Cop of Space! | comic story | 6 | script: Jack Miller; pencils: Howard Sherman; inks: Howard Sherman | |
| 72 | The Man Who Was Three Men | comic story | 5.67 | script: Sid Gerson; pencils: Mort Drucker; inks: Frank Giacoia | |
| 73 | The Elephant Who Saved the Earth! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 74 | The Nine-Worlds Hotel! | comic story | 5.67 | script: Edmond Hamilton; pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow |
| 75 | The Plant That Plotted Murder! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | Captain Comet; Joyce Rollins |
| 76 | The Plant That Plotted Murder! | comic story | 7 | script: John Broome; pencils: Murphy Anderson; inks: Bernard Sachs | Captain Comet; Uno; Joyce Rollins |
| 77 | A Switch in Time! | comic story | 6 | script: Otto Binder; pencils: Gil Kane; inks: Bernard Sachs | Willy Todd; Antonius Vittus |
| 78 | The City That Went Mad | comic story | 5.67 | script: Otto Binder; pencils: Mort Drucker; inks: Joe Giella | Professor Dwight MacKay; Lydia MacKay; Bob Croft; Jim Blake |
| 79 | The Man Who Couldn't Die | comic story | 6.67 | script: Sid Gerson; pencils: Murphy Anderson; inks: Joe Giella | Mel Cardeen |
| 80 | The Singing Spaceman! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Rahl Kar |
| 81 | The Man in the Martian Mask! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 82 | The Man in the Martian Mask! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 83 | The Planet of No Return! | comic story | 5.67 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 84 | The Boomerang Meteors | comic story | 5.67 | script: Otto Binder; pencils: Mort Drucker; inks: Bernard Sachs | |
| 85 | Interplanetary Insomnia, Inc.! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Sy Barry | |
| 86 | The Gorilla World! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Murphy Anderson; letters: Ira Schnapp | |
| 87 | The Gorilla World! | comic story | 8 | script: Otto Binder; pencils: Carmine Infantino; inks: Joe Giella; letters: Pat Gordon | Albert Dawson; Cora Dawson |
| 88 | No Eyes Can See Me! | comic story | 6 | script: Jerry Coleman; pencils: Howard Sherman; inks: Howard Sherman | |
| 89 | The Interplanetary Counterfeiters! | comic story | 5.67 | script: Otto Binder; pencils: Mort Drucker; inks: Bernard Sachs | |
| 90 | Saturn -- Beware! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Joe Giella | |
| 91 | The Living Toys! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood; Carol Vair; Dr. Martin Vair |
| 92 | I Flew a Flying Saucer! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 93 | I Flew a Flying Saucer! | comic story | 5.67 | script: Otto Binder; pencils: Carmine Infantino; inks: Bernard Sachs | |
| 94 | The Body Pirate! | comic story | 6 | script: Sid Gerson; pencils: Sy Barry; inks: Sy Barry | Les Giliam; Algazon |
| 95 | Star Salesman | comic story | 6 | script: Sid Gerson; pencils: Irwin Hasen; inks: Bernard Sachs | Fred Hackett |
| 96 | Interplanetary War Base! | comic story | 5.5 | script: John Broome; pencils: Gil Kane; inks: Joe Giella | |
| 97 | The Impossible Space-Ship! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood |
| 98 | The Interplanetary Merry-Go-Round! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 99 | Interplanetary Merry-Go-Round | comic story | 5.67 | script: Otto Binder; pencils: Sy Barry; inks: Sy Barry | Outcast of Space |
| 100 | Destination--Earth! | comic story | 6 | script: Otto Binder; pencils: Gil Kane; inks: Bernard Sachs | |
| 101 | Space-Taxi! | comic story | 6 | script: Otto Binder; pencils: Howard Sherman; inks: Howard Sherman | Space Cabbie (first appearance) |
| 102 | Rocket-Race Jockey! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Carmine Infantino | |
| 103 | The Man Who Sold the Earth! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 104 | The Man Who Sold the Earth! | comic story | 5.67 | script: Otto Binder; pencils: Sy Barry; inks: Sy Barry | "Silky" Sloane |
| 105 | Hands Across the Universe! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | Floyd Nelson; Thothoo; Harry |
| 106 | The Super-Perfect Servant! | comic story | 6 | script: Sid Gerson; pencils: Irwin Hasen; inks: Bernard Sachs | Ken Sabin (unemployed chemist); Mrs. Sabin; robot (villain) |
| 107 | Worlds Within Worlds! | comic story | 6 | script: Otto Binder; pencils: Carmine Infantino; inks: Joe Giella | |
| 108 | The Time Vault World! | comic story | 5.67 | script: Otto Binder; pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood |
| 109 | The Human Phantom! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 110 | The Human Phantom! | comic story | 6 | script: Otto Binder; pencils: Gil Kane; inks: Joe Giella | |
| 111 | The Three-Minute Genius! | comic story | 6 | script: Otto Binder; pencils: Sy Barry; inks: Sy Barry | Lenny Devincher; Joe Preston (reporter); Professor Orton |
| 112 | The 21st Century Film Library! | comic story | 6 | script: Sid Gerson; pencils: Henry Sharp; inks: Bernard Sachs | Galen Barnes; Martha Barnes |
| 113 | The Radar Man! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Carmine Infantino | Great Trogg; Darwin Jones |
| 114 | The World Series of Tomorrow! | comic story | 5.67 | pencils: Jim Mooney; inks: Jim Mooney | Colonel Tommy Tomorrow; Captain Brent Wood |
| 115 | The Square Earth! | cover reprint (on interior page) | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 116 | The Square Earth | comic story | 6 | script: Otto Binder; pencils: Sy Barry; inks: Sy Barry | |
| 117 | The Men Who Bombed the Sun! | comic story | 6 | script: Sid Gerson; pencils: Gil Kane; inks: Bernard Sachs | |
| 118 | The Venus Sky-Trap! | comic story | 6 | script: Sid Gerson; pencils: Henry Sharp; inks: Bernard Sachs | |
| 119 | Rescue Through the Fourth Dimension! | comic story | 6 | script: Sid Gerson; pencils: Carmine Infantino; inks: Carmine Infantino | |