This cartoon series, characterized by extremely limited animation, features five of the most popular super-powered heroes from Marvel Comics: the Incredible Hulk, the Mighty Thor, Captain America, Iron Man, and the Sub-Mariner.
| Title | Time | |
|---|---|---|
| 1 | The Origin of Captain America | 1966-09-05 |
| 2 | Wreckers Among Us | 1966-09-05 |
| 3 | Enter Red Skull | 1966-09-05 |
| 4 | Double Disaster | 1966-09-06 |
| 5 | Enter Happy Hogan | 1966-09-06 |
| 6 | Of Ice and Men | 1966-09-06 |
| 7 | Origin of the Hulk | 1966-09-07 |
| 8 | Enter the Gorgan | 1966-09-07 |
| 9 | To Be a Man | 1966-09-07 |
| 10 | Trapped by Loki | 1966-09-08 |
| 11 | The Vengeance of Loki | 1966-09-08 |
| 12 | The Defeat of Loki | 1966-09-08 |
| 13 | Peril in the Surface World | 1966-09-09 |
| 14 | So Spreads the Net | 1966-09-09 |
| 15 | The Unveiling | 1966-09-09 |
| 16 | The Sentinel and the Spy | 1966-09-12 |
| 17 | The Fantastic Origin of the Red Skull | 1966-09-12 |
| 18 | Lets Tyranny Triumph | 1966-09-12 |
| 19 | The Death of Tony Stark | 1966-09-13 |
| 20 | The Hands of the Mandarin | 1966-09-13 |
| 21 | The Origin of the Mandarin | 1966-09-13 |
| 22 | The Terror of the Toadmen | 1966-09-14 |
| 23 | Bruce Banner Wanted for Treason | 1966-09-14 |
| 24 | Hulk Runs Amok | 1966-09-14 |
| 25 | Chained Evil | 1966-09-15 |
| 26 | Sandu, Master of the Supernatural | 1966-09-15 |
| 27 | Enchanted Hammer | 1966-09-15 |
| 28 | The Start of the Quest! | 1966-09-16 |
| 29 | Escape to Nowhere | 1966-09-16 |
| 30 | A Prince There Was | 1966-09-16 |
| 31 | The Revenge of Captain America | 1966-09-19 |
| 32 | The Trap Is Sprung | 1966-09-19 |
| 33 | So Dies a Villain | 1966-09-19 |
| 34 | Ultimo | 1966-09-20 |
| 35 | Ultimo Lives | 1966-09-20 |
| 36 | Crescendo | 1966-09-20 |
| 37 | A Titan Rides the Train | 1966-09-21 |
| 38 | Horde of the Humanoids | 1966-09-21 |
| 39 | Hulk on the Rampage | 1966-09-21 |
| 40 | The Enchantress and the Executioner | 1966-09-22 |
| 41 | Giants Walk the Earth | 1966-09-22 |
| 42 | Battle of the Gods | 1966-09-22 |
| 43 | Not All My Power Can Save Me! | 1966-09-23 |
| 44 | When Fails the Quest | 1966-09-23 |
| 45 | The End of the Quest | 1966-09-23 |
| 46 | Midnight in Greymoor Castle | 1966-09-26 |
| 47 | If This Be Treason | 1966-09-26 |
| 48 | When You Lie Down with Dogs | 1966-09-26 |
| 49 | The Mandarin's Revenge | 1966-09-27 |
| 50 | The Mandarin's Death Ray | 1966-09-27 |
| 51 | No One Escapes the Mandarin | 1966-09-27 |
| 52 | The Power of Doctor Banner | 1966-09-28 |
| 53 | Where Strides the Behemouth | 1966-09-28 |
| 54 | Back From the Dead | 1966-09-28 |
| 55 | At the Mercy of Loki | 1966-09-29 |
| 56 | Trial of the Gods | 1966-09-29 |
| 57 | Return to Earth | 1966-09-29 |
| 58 | Atlantis Under Attack | 1966-09-30 |
| 59 | The Sands of Terror | 1966-09-30 |
| 60 | The Iron Idol of Infamy | 1966-09-30 |
| 61 | The Return of Captain America | 1966-10-03 |
| 62 | The Search | 1966-10-03 |
| 63 | To Live Again | 1966-10-03 |
| 64 | The Crimson Dynamo! | 1966-10-04 |
| 65 | The Crimson Dynamo Strikes | 1966-10-04 |
| 66 | Captured | 1966-10-04 |
| 67 | Micro-Monsters | 1966-10-05 |
| 68 | The Lair of the Leader | 1966-10-05 |
| 69 | To Live Again | 1966-10-05 |
| 70 | The Absorbing Man | 1966-10-06 |
| 71 | In My Hands, This Hammer | 1966-10-06 |
| 72 | Vengeance of the Thunder God | 1966-10-06 |
| 73 | The Thing from Space | 1966-10-07 |
| 74 | No Escape for Namor | 1966-10-07 |
| 75 | A Prince Dies Fighting | 1966-10-07 |
| 76 | Zemo and the Masters of Evil | 1966-10-10 |
| 77 | Zemo Strikes | 1966-10-10 |
| 78 | The Fury of Zemo | 1966-10-10 |
| 79 | Enter Hawkeye | 1966-10-11 |
| 80 | So Spins the Web | 1966-10-11 |
| 81 | Triple Jeopardy | 1966-10-11 |
| 82 | Brawn Against Brain | 1966-10-12 |
| 83 | Captured at Last! | 1966-10-12 |
| 84 | Enter...the Chameleon! | 1966-10-12 |
| 85 | To Kill a Thunder God | 1966-10-13 |
| 86 | The Day of the Destroyer | 1966-10-13 |
| 87 | Terror of the Tomb | 1966-10-13 |
| 88 | To Conquer a Crown | 1966-10-14 |
| 89 | A Prince No More | 1966-10-14 |
| 90 | He Who Wears the Crown | 1966-10-14 |
| 91 | Let the Past Be Gone | 1966-10-17 |
| 92 | The Adaptoid | 1966-10-17 |
| 93 | The Super Adaptoid | 1966-10-17 |
| 94 | If I Die, Let It Be with Honor | 1966-10-18 |
| 95 | Fight On, for a World Is Watching | 1966-10-18 |
| 96 | What Price Victory? | 1966-10-18 |
| 97 | Within the Monster Dwells a Man! | 1966-10-19 |
| 98 | Another World, Another Foe! | 1966-10-19 |
| 99 | The Wisdom of the Watcher! | 1966-10-19 |
| 100 | The Grey Gargoyle | 1966-10-20 |
| 101 | The Wrath of Odin | 1966-10-20 |
| 102 | Triumph in Stone | 1966-10-20 |
| 103 | To Walk Amongst Men! | 1966-10-21 |
| 104 | When Rises the Behemoth | 1966-10-21 |
| 105 | To the Death | 1966-10-21 |
| 106 | The Coming of the Swordsman | 1966-10-24 |
| 107 | Vengeance Is Ours | 1966-10-24 |
| 108 | Emissary of Destruction | 1966-10-24 |
| 109 | The Moleman Strikes | 1966-10-25 |
| 110 | The Dragon of the Flames | 1966-10-25 |
| 111 | Decision Under the Earth | 1966-10-25 |
| 112 | The Space Phantom | 1966-10-26 |
| 113 | Sting of the Wasp | 1966-10-26 |
| 114 | Exit the Hulk | 1966-10-26 |
| 115 | The Mysterious Mister Hyde | 1966-10-27 |
| 116 | Revenge of Mr. Hyde | 1966-10-27 |
| 117 | Thor's Showdown with Mr. Hyde | 1966-10-27 |
| 118 | Atlantis Is Doomed | 1966-10-28 |
| 119 | The World Within! | 1966-10-28 |
| 120 | Quest for X-Atom | 1966-10-28 |
| 121 | The Bitter Taste of Defeat | 1966-10-31 |
| 122 | Sorcery Triumph | 1966-10-31 |
| 123 | The Road Back | 1966-10-31 |
| 124 | The Other Iron Man! | 1966-11-01 |
| 125 | Death Duel | 1966-11-01 |
| 126 | Into the Jaws of the Death! | 1966-11-01 |
| 127 | The Incredible Hulk vs The Metal Master | 1966-11-02 |
| 128 | The Master Tests His Metal | 1966-11-02 |
| 129 | Mind Over Metal | 1966-11-02 |
| 130 | Every Hand Against Him | 1966-11-03 |
| 131 | The Power of the Thunder God | 1966-11-03 |
| 132 | The Power of Odin | 1966-11-03 |
| 133 | Beware the Siren’s Song | 1966-11-04 |
| 134 | Spell of Lorelei | 1966-11-04 |
| 135 | Return of the Mud Beast | 1966-11-04 |
| 136 | When the Commissar Commands | 1966-11-07 |
| 137 | Doorway to Doom | 1966-11-07 |
| 138 | Duel or Die | 1966-11-07 |
| 139 | The Cliffs of Doom! | 1966-11-08 |
| 140 | The False Captain America | 1966-11-08 |
| 141 | The Unmasking | 1966-11-08 |
| 142 | The Ringmaster | 1966-11-09 |
| 143 | Captive of the Circus | 1966-11-09 |
| 144 | The Grand Finale | 1966-11-09 |
| 145 | The Tomorrow Man | 1966-11-10 |
| 146 | Return of Zarrko | 1966-11-10 |
| 147 | Slave of Tomorrow Man | 1966-11-10 |
| 148 | Ship of Doom | 1966-11-11 |
| 149 | Fall of Atlantis | 1966-11-11 |
| 150 | Forces of Vengeance | 1966-11-11 |
| 151 | The Sleeper Shall Awake | 1966-11-14 |
| 152 | Where Walks the Sleeper | 1966-11-14 |
| 153 | The Final Sleep | 1966-11-14 |
| 154 | My Life for Yours | 1966-11-15 |
| 155 | The Black Knight's Gambit | 1966-11-15 |
| 156 | The Menace of the Monster | 1966-11-15 |
| 157 | Enter Tyrannus | 1966-11-16 |
| 158 | Beauty and the Beast | 1966-11-16 |
| 159 | They Dwell in the Depths | 1966-11-16 |
| 160 | Enter Hercules | 1966-11-17 |
| 161 | When Meet Immortals | 1966-11-17 |
| 162 | Whom the Gods Would Destroy | 1966-11-17 |
| 163 | The Planet of Doom | 1966-11-18 |
| 164 | To Test a Prince | 1966-11-18 |
| 165 | To Save a Planet | 1966-11-18 |
| 166 | The Girl from Cap's Past | 1966-11-21 |
| 167 | The Stage Is Set | 1966-11-21 |
| 168 | 30 Minutes to Live | 1966-11-21 |
| 169 | The Dream Master | 1966-11-22 |
| 170 | If a Man Be Mad | 1966-11-22 |
| 171 | Duel in Space | 1966-11-22 |
| 172 | The Terror of the T Gun | 1966-11-23 |
| 173 | I Against a World | 1966-11-23 |
| 174 | Bruce Banner Is the Hulk! | 1966-11-23 |
| 175 | The Power of Pluto | 1966-11-24 |
| 176 | The Verdict of Zeus | 1966-11-24 |
| 177 | Thunder in the Netherworld | 1966-11-24 |
| 178 | Dr. Doom's Day | 1966-11-25 |
| 179 | The Doomed Allegiance | 1966-11-25 |
| 180 | Tug of Death | 1966-11-25 |
| 181 | The Red Skull Lives | 1966-11-28 |
| 182 | He Who Holds the Cosmic Cube | 1966-11-28 |
| 183 | The Red Skull Supreme | 1966-11-28 |
| 184 | The Beauty and the Armor | 1966-11-29 |
| 185 | Peril in Space | 1966-11-29 |
| 186 | As a City Watches | 1966-11-29 |
| 187 | The Man Called Boomerang! | 1966-11-30 |
| 188 | The Hulk Intervenes | 1966-11-30 |
| 189 | Less than Monster, More than Man! | 1966-11-30 |
| 190 | Molto, the Lava Man | 1966-12-01 |
| 191 | Invasion of the Lava Man | 1966-12-01 |
| 192 | Living Rock | 1966-12-01 |
| 193 | Let the Stranger Die..! | 1966-12-02 |
| 194 | To Destroy a Tyrant | 1966-12-02 |
| 195 | Save A City | 1966-12-02 |