Majin, the creator of the Universe, has been resurrected in the present day. Shougo Ryuujin, an ordinary high school student who transforms into the Bone Fighter Dragonbone with the Bone Card in order to save Earth. Together, with the other White Bone warriors take a stand against the Dark Bone, a foe that has appeared from darkness to devastate Earth. However, "could the true enemy be ourselves?"
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Visitors from the Darkness | 2014-04-01 | 25 min |
| Season 1 | Episode 2 | Chosen Warrior | 2014-04-08 | 25 min |
| Season 1 | Episode 3 | Rejection of Bone | 2014-04-15 | 25 min |
| Season 1 | Episode 4 | Warrior's Resolution | 2014-04-22 | 25 min |
| Season 1 | Episode 5 | Majin Descends | 2014-04-29 | 25 min |
| Season 1 | Episode 6 | Believe in Yourself | 2014-05-06 | 25 min |
| Season 1 | Episode 7 | Bone Research Facility | 2014-05-13 | 25 min |
| Season 1 | Episode 8 | Invaders | 2014-05-20 | 25 min |
| Season 1 | Episode 9 | Intense Resonance | 2014-05-27 | 25 min |
| Season 1 | Episode 10 | A Daily Life Worth Protecting | 2014-06-03 | 25 min |
| Season 1 | Episode 11 | The Primordial Majin | 2014-06-10 | 25 min |
| Season 1 | Episode 12 | Dragon's Rampage | 2014-06-17 | 25 min |
| Season 1 | Episode 13 | True Strength | 2014-06-24 | 25 min |
| Season 1 | Episode 14 | Shark's Rampage | 2014-07-01 | 25 min |
| Season 1 | Episode 15 | Shaken Destiny | 2014-07-08 | 25 min |
| Season 1 | Episode 16 | Will of Steel | 2014-07-15 | 25 min |
| Season 1 | Episode 17 | Gentle Big Brother | 2014-07-22 | 25 min |
| Season 1 | Episode 18 | Stray Cats and Stray Dogs | 2014-07-29 | 25 min |
| Season 1 | Episode 19 | Iron Bone | 2014-08-05 | 25 min |
| Season 1 | Episode 20 | The Shadow of the Traitors | 2014-08-12 | 25 min |
| Season 1 | Episode 21 | Three of Iron | 2014-08-19 | 25 min |
| Season 1 | Episode 22 | Dragon's Awakening | 2014-08-26 | 25 min |
| Season 1 | Episode 23 | Family Portrait | 2014-09-02 | 25 min |
| Season 1 | Episode 24 | Unstoppable Urge | 2014-09-09 | 25 min |
| Season 1 | Episode 25 | Cerberus | 2014-09-16 | 25 min |
| Season 1 | Episode 26 | The Brothers' Past | 2014-09-23 | 25 min |
| Season 1 | Episode 27 | Stirring Ambition | 2014-09-30 | 25 min |
| Season 1 | Episode 28 | Coup d'Etat | 2014-10-07 | 25 min |
| Season 1 | Episode 29 | To Nepos! | 2014-10-14 | 25 min |
| Season 1 | Episode 30 | Wyvern vs. Cerberus | 2014-10-21 | 25 min |
| Season 1 | Episode 31 | Aid from Space | 2014-10-28 | 25 min |
| Season 1 | Episode 32 | The Truth of 12 Years Ago | 2014-11-04 | 25 min |
| Season 1 | Episode 33 | Being a Family | 2014-11-11 | 25 min |
| Season 1 | Episode 34 | Ouroboros Descends | 2014-11-18 | 25 min |
| Season 1 | Episode 35 | Pride of the Eques | 2014-11-25 | 25 min |
| Season 1 | Episode 36 | Rare Metal Bone | 2014-12-02 | 25 min |
| Season 1 | Episode 37 | The Mystery of Rare Metal | 2014-12-09 | 25 min |
| Season 1 | Episode 38 | As a Warrior of Nepos | 2014-12-16 | 25 min |
| Season 1 | Episode 39 | Cerberus, to Earth! | 2014-12-23 | 25 min |
| Season 1 | Episode 40 | Melbourne Raid | 2015-01-06 | 25 min |
| Season 1 | Episode 41 | And Come in Come the Way, the Way to Walk | 2015-01-13 | 25 min |
| Season 1 | Episode 42 | Quiet Passion | 2015-01-20 | 25 min |
| Season 1 | Episode 43 | Despair in Place of Hope | 2015-01-27 | 25 min |
| Season 1 | Episode 44 | Majin, Once More | 2015-02-03 | 25 min |
| Season 1 | Episode 45 | Wriggling Desires | 2015-02-10 | 25 min |
| Season 1 | Episode 46 | Unchanging Strength | 2015-02-17 | 25 min |
| Season 1 | Episode 47 | Forbidden Memory | 2015-02-24 | 25 min |
| Season 1 | Episode 48 | Roar of Treason | 2015-03-03 | 25 min |
| Season 1 | Episode 49 | Wolf and Tiger | 2015-03-10 | 25 min |
| Season 1 | Episode 50 | The Joining of the End | 2015-03-17 | 25 min |
| Season 1 | Episode 51 | The Beginning of the End | 2015-03-24 | 25 min |
| Season 1 | Episode 52 | Somewhere to Return | 2015-03-31 | 25 min |
| Directing | Konosuke Uda | Series Director |
| Production | Makoto Furukawa | Producer |
| Directing | Hiroyuki Kakudou | Series Director |
| Directing | Konosuke Uda | Director |
| Writing | Yuta Tanaka | Storyboard |
| Directing | Yuta Tanaka | Series Director |
