"The Rules of Buddyfight" is the 4th episode of the Season 1 anime.


Kiri Hyoryu is transferred to Gao's class. After school, he asks Gao to teach him how to play Buddyfight and Gao suggests that Kiri learns from the Castle Store Manager. When the Castle Store manager offers Kiri a choice of two TD, he chooses TD02 in order to avoid copying Gao. Kiri, with support from Gao, plays against the Castle Store manager, whom guided Kiri throughout the fight. Kiri ultimately wins after calling Armorknight Black Drake.

After the fight, Rouga Aragami appears, congratulating Kiri for his victory and him using Danger World. He states to Kiri that winning is all that matters, something Gao disagees with, but Rouga suggests that Gao should wait until he starts losing fights.

Later that night, Rouga is asked by Magoroku Shido to look for a "photon metal". Rouga agrees, but comments that he's only interested in using his "Dark Core". After that he activates his Dark Core which turns his clothing black, he then summons his Buddy Armorknight Cerberus, telling Cerberus to call him "Wolf" after putting on a mask.


Featured Cards

Dragon World




Danger World





Episode 4 Future Card Buddyfight Animation

Episode 4 Future Card Buddyfight Animation

English Dub

#4を爆熱再現! キリvsキャッスル店長

#4を爆熱再現! キリvsキャッスル店長

Bakunetsu Saigen!: Kiri vs. Castle Store Manager


  • Danger World and the Disaster Force make their debut.
  • Several characters from the Cardfight!! Vanguard anime make a cameo appeareance in this episode.

And they are:

  • Aichi Sendou
  • Kamui Katsuragi
  • Misaki Tokura
  • Toshiki Kai
  • Ren Suzugamori
  • Tetsu Shinjo
  • Shingo Komoi
  • Naoki Ishida
  • Kourin Tatsunagi
List of Season 1 Episodes
#1 Gao, Roars! ● #2 Gao vs Tasuku! ● #3 Dancing with a Demon! ● #4 The Rules of Buddyfight! ● #5 Future Force Shines! ● #6 Rouga Aragami Attacks! ● #7 Deck Building to Victory! ● #8 Break Past the Final Qualifier! ● #9 The Stolen Dragon Deck! ● #10 The Card of Heroes ● #11 The Start of the Aibo Buddy Cup! ● #12 Power vs. Ninja Arts! A Fierce Competition! ● #13 Powers Unite! Dragonic Punisher! ● #14 Noble Heart! Together with the Dragon Knight! ● #15 Dragons Duel! Journey of the Tiger! ● #16 Mystique Explosion! The Great Katana World Battle! ● #17 ABC Cup Final! Exploring the Underground Maze! ● #18 Menacing Duel Sieger! ● #19 The Card Yota Left Behind ● #20 The Powerful Sun Fist! ● #21 Buddy Monsters Unite! ● #22 Evil Power, Disaster Force! ● #23 Drum's Heroic Adventure! ● #24 The Friends of Dungeon World! ● #25 Buddyfight Intensified! Sengoku Academy! ● #26 Challenge From Legend World! ● #27 Buddies Bring Their Best! ● #28 Flying Ninja Showdown! ● #29 Activate! Mega Blast Bunker! ● #30 The Invincible Swordsman! Shosetsu Kirisame!! ● #31 Gao's Buddy Skill is On! ● #32 The Legendary Sword Excalibur! ● # 33 Gao Versus Rouga! Round Two! ● # 34 Defenders of Darkness! ● #35 Mysterious Hero! Captain Answer! ● #36 Ikarino's Fantastic Dungeon! ● #37 Medusa Unleashed! ● #38 The Fenrir of Fate! ● #39 Kiri Strikes Back! ● #40 The Terrifying Dragon World ● #41 Roaring Slash! Gargantua Punisher! ● #42 Disaster at Twilight! ● #43 Tasuku Takes Charge! ● #44 Disaster Times Two! ● #45 Luminize! Exploding Dragon Fang!! ● #46 Balle du Soleil Reborn! ● #47 Episode 47: The Gaen Cup Begins! ● #48 Episode 48: The Dancing Demon Takes on Medusa! ● #49 Episode 49: Paruko Takes The Stage! ● #50 Episode 50: Attack of Team Purgatory! ● #51 Episode 51: The Tiger Returns!● #52 Generations Collide! Drum Breaker Dragon! ● #53 Sword of Nothingness! Distortion Punisher! ● #54 Wolf versus Fox! A Battle of Instinct! ● #55 Balle du Soleil Collapses! ● #56 Master versus Apprentice Battle! Death Tallica and Explosive Dragon Fang! ● #57 Take Back the Buddy Police! ● #58 Gaen Cup Final Round! Tetsuya's Choice! ● #59 Rouga Leaves the Pack! ● #60 Gao and Tasuku's Epic Battle! ● #61 Eternal Rivals! ● #62 Kyoya's World!● #63 The Shadow of Demise! ● #64 Break To the Future!

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