Elementary school children take control of giant robots to save the earth from the evil Jaku Empire.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Raijin-Oh Arrives | 1991-04-03 | min |
| Season 1 | Episode 2 | We Are the Earth Defense Class | 1991-04-10 | min |
| Season 1 | Episode 3 | Tests Are a Huge Annoyance!? | 1991-04-17 | min |
| Season 1 | Episode 4 | Protect the Field of Flowers! | 1991-04-24 | min |
| Season 1 | Episode 5 | Decision! Unrivaled Dragon Tail | 1991-05-01 | min |
| Season 1 | Episode 6 | Survive the Traffic War! | 1991-05-08 | min |
| Season 1 | Episode 7 | Taking Care of Drunkard | 1991-05-15 | min |
| Season 1 | Episode 8 | Absolute Union of Friendship! | 1991-05-22 | min |
| Season 1 | Episode 9 | Blowing Away Moldy Feelings | 1991-05-29 | min |
| Season 1 | Episode 10 | The Town Where Gasoline Vanished | 1991-06-05 | min |
| Season 1 | Episode 11 | Cookie's Nightmare | 1991-06-12 | min |
| Season 1 | Episode 12 | The Pool is Too Hot | 1991-06-19 | min |
| Season 1 | Episode 13 | Get Back the Baby!! | 1991-06-26 | min |
| Season 1 | Episode 14 | Final Match! Baseball | 1991-07-03 | min |
| Season 1 | Episode 15 | Fly at Mach 9! | 1991-07-10 | min |
| Season 1 | Episode 16 | Crash Course in Returning the Shot! | 1991-07-17 | min |
| Season 1 | Episode 17 | Teacher is a Jaaku Beast!? | 1991-07-24 | min |
| Season 1 | Episode 18 | Presentation! Earth Defense Class' Secrets | 1991-07-31 | min |
| Season 1 | Episode 19 | Seaside School is in Chaos!! | 1991-08-07 | min |
| Season 1 | Episode 20 | Maria has Disappeared! | 1991-08-14 | min |
| Season 1 | Episode 21 | The Enemy is Raijin-Oh!? | 1991-08-21 | min |
| Season 1 | Episode 22 | Departure! The Invincible Warrior | 1991-08-28 | min |
| Season 1 | Episode 23 | Come Forth! Absolutely Invincible Union!! | 1991-09-04 | min |
| Season 1 | Episode 24 | Dog/Cat Panic Plan! | 1991-09-11 | min |
| Season 1 | Episode 25 | Getting the Scoop!! | 1991-09-18 | min |
| Season 1 | Episode 26 | Great African Battle! | 1991-09-25 | min |
| Season 1 | Episode 27 | Defeat the Earthquake | 1991-10-02 | min |
| Season 1 | Episode 28 | Garuma's Competition of Fear!! | 1991-10-09 | min |
| Season 1 | Episode 29 | Appear! Super Jaaku Beast | 1991-10-16 | min |
| Season 1 | Episode 30 | Jaaku beast is a Friend? | 1991-10-23 | min |
| Season 1 | Episode 31 | Fierce Battle! Channel War | 1991-10-30 | min |
| Season 1 | Episode 32 | Adventure in the Haunted House | 1991-11-06 | min |
| Season 1 | Episode 33 | Terror! Dancing Jaaku Beast | 1991-11-13 | min |
| Season 1 | Episode 34 | Skiing is Too Cold | 1991-11-20 | min |
| Season 1 | Episode 35 | Vanished Commander | 1991-11-27 | min |
| Season 1 | Episode 36 | Jaaku Beast is an Ally of Justice!? | 1991-12-04 | min |
| Season 1 | Episode 37 | Graffiti Revolt | 1991-12-11 | min |
| Season 1 | Episode 38 | Psychic Jin | 1991-12-18 | min |
| Season 1 | Episode 39 | The Celebration is a Troubling Thing | 1991-12-25 | min |
| Season 1 | Episode 40 | Belzeb's Great Approach | 1992-01-08 | min |
| Season 1 | Episode 41 | Kidnapping of the Absolutely Invincible | 1992-01-15 | min |
| Season 1 | Episode 42 | Protect the Secret of the School! | 1992-01-22 | min |
| Season 1 | Episode 43 | Super Giant Reiko Appears! | 1992-01-29 | min |
| Season 1 | Episode 44 | Decisive Micro-Battle! | 1992-02-05 | min |
| Season 1 | Episode 45 | Broadcast! Earth Defense Class Facts!! | 1992-02-12 | min |
| Season 1 | Episode 46 | Taida Becomes an Earthling | 1992-02-19 | min |
| Season 1 | Episode 47 | Adult to Child Chaos!? | 1992-02-26 | min |
| Season 1 | Episode 48 | Transformation! Black Taida | 1992-03-04 | min |
| Season 1 | Episode 49 | Appear! Jaaku Empire | 1992-03-11 | min |
| Season 1 | Episode 50 | Defeat Emperor Warza! | 1992-03-18 | min |
| Season 1 | Episode 51 | Our Dream is Absolutely Invincible! | 1992-03-25 | min |
| Directing | Toshifumi Kawase | Director |
| Directing | Takuya Sato | Director |
| Directing | Keitaro Motonaga | Director |
| Writing | Hideki Sonoda | Writer |
| Writing | Fumihiko Shimo | Writer |
| Writing | Toshifumi Kawase | Writer |
| Art | Yasunao Aoki | Storyboard Artist |
