After Koji Kabuto and Sayaka Yumi leave to the USA, it's up to the rash orphan Tetsuya Tsurugi to pilot the next Mazinger robot: the Great Mazinger. Under the direction of Dr. Kenzo Kabuto and helped by his adoptive sister Jun Honou, Tetsuya battles the Miccene Empire.
| Title | Time | |
|---|---|---|
| 1 | The Hero of the Skies, Great Mazinger | 1974-09-08 |
| 2 | Hell's Messenger!! The Instigator of Darkness, Garalya | 1974-09-15 |
| 3 | Honoo's Guts! The Wild Venus! | 1974-09-22 |
| 4 | Search and Destroy! Science Fortress Lab | 1974-09-29 |
| 5 | Attack of the Combining Warbeast | 1974-10-06 |
| 6 | Tetsuya Tsurugi in Hell | 1974-10-13 |
| 7 | An Impossible Rescue?! The Little Braggart | 1974-10-20 |
| 8 | Killer Blow! The Drill Pressure Punch! | 1974-10-27 |
| 9 | An Alien Beauty Amidst The Humans | 1974-11-03 |
| 10 | Mazinger In Trouble! A Mobile Danger Zone | 1974-11-10 |
| 11 | Open Your Eyes, Shiro!! Where Heartless Battles End!! | 1974-11-17 |
| 12 | Attack of the Raging Bull, Bisonia | 1974-11-24 |
| 13 | A Fierce Fight! Kenzo Kabuto vs. The Dark General!! | 1974-12-01 |
| 14 | Operation Tsunami!! Save The Laboratory!! | 1974-12-08 |
| 15 | Attack of the Bloodsucking Lizards | 1974-12-15 |
| 16 | Rise! The Young Prince of Mycenae!! | 1974-12-22 |
| 17 | Tetsuya!! Depths of Hell | 1974-12-29 |
| 18 | A Trap! The Combining Warbeast!! | 1975-01-05 |
| 19 | May The Snow Be Stained With The Blood of Youth!! | 1975-01-12 |
| 20 | Do or Die!! The Myceanean Invasion!! | 1975-01-19 |
| 21 | Wrath!! The Emperor of Darkness Revealed!! | 1975-01-26 |
| 22 | Gorgon falls! Death on the Volcanic Island! | 1975-02-02 |
| 23 | The Mysterious New Commander Yanus | 1975-02-09 |
| 24 | Mortal Combat!! The Big Bet! | 1975-02-16 |
| 25 | Troubles!! Fly Venus A | 1975-02-23 |
| 26 | The secret of Dr. Kabuto | 1975-03-02 |
| 27 | Burn!! Desperate Counterattack of Anger! | 1975-03-09 |
| 28 | Escape!! Chased by Yunus's Lava! | 1975-03-16 |
| 29 | Great Counterattack! The Secret Weapon! | 1975-03-23 |
| 30 | The Imminent Victory of The Dark General | 1975-03-30 |
| 31 | A duel! The Last Day of The Dark General | 1975-04-06 |
| 32 | Tetsuya! Solve the Mystery of your heart!! | 1975-04-13 |
| 33 | Great Mazinger Foot's Blown Away!! | 1975-04-20 |
| 34 | Now or Never!! Back Spin Kick!! | 1975-04-27 |
| 35 | Super Ninja! Cator Corps!! | 1975-05-04 |
| 36 | Resurrection! Love Beyond Hatred!! | 1975-05-11 |
| 37 | Morning Murderer | 1975-05-18 |
| 38 | Don't Cry Tetsuya!! Mazinger is Stolen!! | 1975-05-25 |
| 39 | The Last Challenge!! Fortress Mikerosu of the Sky! | 1975-06-01 |
| 40 | Red Cross!! Calling the Death! | 1975-06-08 |
| 41 | The Invincible Demon | 1975-06-15 |
| 42 | Deep Sea Grave!! Confession of Escape!! | 1975-06-22 |
| 43 | The Fortress of Science | 1975-06-29 |
| 44 | The Last Counterattack | 1975-07-06 |
| 45 | Crazy Great Mazinger!! | 1975-07-13 |
| 46 | Fighting Spirit!! Till your life burns!! | 1975-07-20 |
| 47 | Special!! Ultra-fast Great Booster!! | 1975-07-27 |
| 48 | Suicide Strategy!! Sayaka Appears!! | 1975-08-03 |
| 49 | Hang on Shiro! There is no Rest for Heroes!! | 1975-08-10 |
| 50 | Sun Beyond the Tears...!! | 1975-08-17 |
| 51 | Shining Star! Mazinger Z is Here!! | 1975-08-24 |
| 52 | He Died too Young! | 1975-08-31 |
| 53 | Great Heroes! Fight Tetsuya, Hurry Up Kouji!! | 1975-09-07 |
| 54 | The Invincible Double Attack! | 1975-09-14 |
| 55 | Send Tetsuya and Kouji to Hell!! | 1975-09-21 |
| 56 | The Peace Bells Rings for the Heroes! | 1975-09-28 |
