S4 E1 • The Most Powerful Demon Lord Dragon! His Name is Batzz!

As Gao spends his days, he is invited by an unknown monster to represent Dragon World in a special tourney! But without a buddy, Gao cannot do much, so they travel to Dragon World! As Gao reaches a peculiar temple, he is attacked by an unknown enemy! As a mysterious voice calls out to him, will Gao respond to the Demon Lord Dragon's call, and unleash The Destroyer of Dragon World?!

Première diffusion : 31 mars 2017

S4 E2 • Batzz goes to Earth! Major Panic in Cho-Tokyo!

Batzz goes on a rampage and causes a massive ruckus and even power outages! Suddenly, Abygale and Gaito, challenge Gao and Batzz to a Buddyfight...

Première diffusion : 7 avril 2017

S4 E3 • No-Damage Fighter! Ozora Kanata!

As Tasuku is unable to participate in the World Buddy Masters, he searches for a viable candidate to take his place. He stumbles upon Kanata, who is widely known as a no-damage fighter, however, Kanata has lost his motivation to Buddyfight...

Première diffusion : 14 avril 2017

S4 E4 • The World Buddy Masters Begins!!

The World Buddy Masters have begun! The first match of the Block A round robin is Dragon World versus Magic World, Gao against Tetsuya! However, Batzz seems to be getting irritated by Tetsuya's buddy, Asmodai. Will Batzz's rage jeopardize Gao's chances of winning?

Première diffusion : 22 avril 2017

S4 E5 • Become a Tiger! Noboru's Final Fight!

The World Buddy Masters are underway! While waiting for their next match to start, Noboru is approached by his opponent, Sakate Onigashira, who is apparently a huge fan of his, and the two wish one another a good fight. However, Sakate's cunning tricks in their Buddyfight throws Noboru for a loop! And at the end of this fight...

Première diffusion : 29 avril 2017

S4 E6 • Strongest Battleship Satsuki Launches! Attack Target: Batzz!

In his next match of the World Buddy Masters tournament, Gao is facing against Hero World representative Ku Teito! Her buddy Koyomi-Class Fifth Ship, Satsuki, turns out to be a massive battleship! Will this Buddy Police trainee stop the Dragon World team's advances!?

Première diffusion : 6 mai 2017

S4 E7 • Gaito is...? Kaido is...? The Death Sentence Approaches!

The next match of the World Buddy Masters tournament features Ancient World and Darkness Dragon World, and their respective representatives, Dai Kaido and Gaito Kurouzu! Both fighters, wielding evolved forms of their buddies, Abygale and Duel Jaeger, clash with everything they've got!

Première diffusion : 13 mai 2017

S4 E8 • Terrifying Ambush! Batzz's Back Against the Wall!

Gao Mikado faces Sakate Onigashira in the final round of Block A.

Première diffusion : 20 mai 2017

S4 E9 • Gaito vs Kanata! Impact Shoot of Destiny!

The final match of Block B in the World Buddy Masters tournament begins! Gaito makes use of his new Impact; Death Count ~Requiem~, which can defeat Kanata even without dealing any damage! Kanata responds with...

Première diffusion : 27 mai 2017

S4 E10 • Final Round! Who is the World Number One?

The final match of the World Buddy Masters tournament is finally here! Gao Mikado fighting for Dragon World, and Kanata Ozora fighting for Star Dragon World! Who will come out on top and claim the prize at the end of it all!?

Première diffusion : 3 juin 2017

S4 E11 • The Desperate Battle Concludes! The Mirage Card Manifests!

The final match between Gao and Kanata concludes!! The one who remains standing, is...!?

Première diffusion : 10 juin 2017

S4 E12 • Ruler of Chaos! Geargod VII!

The mirage card is stolen by Wisdom and turned into a new flag, known as The Chaos! With Batzz missing, Gao is unable to Buddyfight, so Kanata steps forward to get the card back! But is the power of Geargod VII too powerful...!?

Première diffusion : 17 juin 2017

S4 E13 • Wisdom's Terrifying Conspiracy! Rage, Batzz!

As Gao and Batzz fight against Wisdom, his mighty power starts to overwhelm and crush Gao's defenses. As Wisdom holds the fight in his hands, he tries to bring Batzz to his side by sharing to Batzz a hidden secret, and the key to unlocking his past!

Première diffusion : 24 juin 2017

S4 E14 • After the Raging Battle... Gao Perishes!

Gao and Battz continue their assault on Wisdom, trying to break down this massive Gear God VII! As the battle rags on, Wisom reveals his plans to "Upgrade The World". What is his plan?!

Première diffusion : 1 juillet 2017

S4 E15 • Terror from the Toilet! Aibo Academy is Full of Ghosts!

Spooky Scary Toilets, Shivers Down Your Spine! Gao, who has been turned into a ghost due to overuse of his Impact Card, fights against the Legend World monster; Hanako.

Première diffusion : 8 juillet 2017

S4 E16 • Gao in Tasuku! A Two-In-One X Tempest Buster!

After learning that he can possess people as a ghost, Gao starts messing around in the bodies of his friends. However, he and Tasuku stays in a joined state, even when Class President Shido shows to be up to no good, as usual...!

Première diffusion : 15 juillet 2017

S4 E17 • Time Limit! The Day That Gao Stops Existing!

Première diffusion : 22 juillet 2017

S4 E18 • Nirvana? Gehenna? Guru Bunbuku and Giant Tanuki!

After Gao revived from being dead, he starts to look into answers on that mysterious old man. After approaching him, he finds out the man is a Divine Guardians user! He is challenged and fights back!

Première diffusion : 29 juillet 2017

S4 E19 • Training Camp Begins! The X Tempest Buster Revives!

Première diffusion : 5 août 2017

S4 E20 • Grim Reaper vs. Gaito! The Third Turn of Destiny!

The training continues! Guru Bunbuku calls Kiri Hyoryu to assist him, but then.. the Grim Reaper makes his appearance, and challenges Gaito to a Buddyfight?!

Première diffusion : 12 août 2017

S4 E21 • Tag Match! Kanata and Athora's Crossed Wires!

Zanya and Tetsuya arrived at Guru Bunbuku's Training Camp, and both Gao and Kanata face the arrivals in a Buddyfight Tag Match!

Première diffusion : 19 août 2017

S4 E22 • Gao and Batzz! The Starry Sky Promise!

Première diffusion : 26 août 2017

S4 E23 • Batzz's Overturn! Thunder Emperor's Formation Complete!

Première diffusion : 2 septembre 2017

S4 E24 • Overkill! Brutal of the Martial Arts!

Première diffusion : 9 septembre 2017

S4 E25 • Birth! Overturn Black Death Dragon!

After Kiri's defeat, Gaito and Abygale must find out how to evolve once more so that they too can use Overturn! Meanwhile, Bunbuku decides it is time for the creation of another Mirage Card, something Wisdom will not allow! Will Gaito be able protect the Guru from Brutal?! Probably!

Première diffusion : 16 septembre 2017

S4 E26 • Guru vs Wisdom! The Shocking Geargod VIII!

Thanks to Brutal's info, Wisdom has located the Mirage Shrine and confronts Bunbuku as he is making a new Mirage Card! The two must now clash over its creation, as Wisdom unveils his Geargod once more. Will Wisdom's desire to upgrade the world succeed, or will the Guru prevail in creating the Mirage Card?! And what is this fate he says he must accept?!

Première diffusion : 23 septembre 2017

S4 E27 • Assemble! Thunder Empire!

The mirage card has been completed, but only thanks to Guru Bunbuku's sacrifice. Wisdom however refuses to allow another Mirage Card to exist, and sends Sakate after Gao, ignoring common sense in the process! Batzz's old crew must now be reborn, as the Thunder Empire expands its reign under the banner of Gao and Batzz!

Première diffusion : 30 septembre 2017

S4 E28 • Overturn versus Overkill! Unleash the X-Tempest Ulti-Buster!

Clashing with the deceptive Sakate, Gao begins to show the potential of the Thunder Emperor's Fangs, calling new and old allies to his side! But Sakate too unleashes his newfound power of Overkill and builds a seemingly insurmountable wall! Can Gao find a way to victory, bringing him one step closer on the path to beating his foes?!

Première diffusion : 7 octobre 2017

S4 E29 • Invasion of Papa Panda! Farewell, Chibi Panda!

Making a surprise visit from Dragon World, Papa Panda appears! Worried about his precious son, Papa seeks to take Chibi Panda back home but Gao, Batzz and his friends want Chibi to stay. Can Gao and co. convince the father to leave his son, will Chibi Panda be forced to choose family or friends? And can Batzz keep his Demon Lord attitude in check?! Who will win out in this exciting drama?!

Première diffusion : 14 octobre 2017

S4 E30 • Infinite Slashes! Demonic Descent Sword of the King, Laevateinn!

A new attraction called Grimoire Park has opened in Cho-Tokyo and Gao, Batzz and the others have been invited to the grand opening! But little do they know that a fight with Keisetsu of the Sword Arts is one of the main events, seeking to give them an experiance they'll never recover from! In the middle of an important mission, Zanya is the first to cross swords with him! Can he succeed in this duel of swordsmen or does Keisetsu have more then one sword ready to cut down any hope Zanya had?!

Première diffusion : 21 octobre 2017

S4 E31 • Perfectly Ignored Fighter, Slide Kidoku!

Première diffusion : 28 octobre 2017

S4 E32 • The Demon Sword Draws Near! Keisetsu's Overkill!

Première diffusion : 4 novembre 2017

S4 E33 • The Power of Overturn! Heavenly Crystal Dragon, Aldo Athora!

Première diffusion : 11 novembre 2017

S4 E34 • Gaito versus Artificial Intelligence! Explosion of the Mini Geargods!!

Première diffusion : 18 novembre 2017

S4 E35 • Will it reach Keisetsu? Kanata's new Impact Shot!

Première diffusion : 25 novembre 2017

S4 E36 • CHAOS Transcendant, Geargod ver. 099

Première diffusion : 2 décembre 2017

S4 E37 • Geargod's Overkill! Gao in Dire Straits!

Première diffusion : 9 décembre 2017

S4 E38 • Grasp It! The Power Beyond Overturn!!

Première diffusion : 16 décembre 2017

S4 E39 • Thunder Empire of Friendship! Geargod Rebels?

Première diffusion : 23 décembre 2017

S4 E40 • A New Buddy! The Clockwork Mighty Sun Fighter!

Première diffusion : 6 janvier 2018

S4 E41 • Gao versus CHAOS Gao! Autodeity Formation Completed!

Première diffusion : 13 janvier 2018

S4 E42 • Buddy Breakup! Farewell, Batzz!

Première diffusion : 20 janvier 2018

S4 E43 • Turbulent Warlord Dragon! Barlbatzz Dragoroyale!

Première diffusion : 27 janvier 2018

S4 E44 • Behold! This is Batzz's Overthrow!

Première diffusion : 3 février 2018

S4 E45 • Robo of Urban Legends? Hanako WC Appears!

Première diffusion : 10 février 2018

S4 E46 • Shine bright! Overturn Shining Dragoner, Jackknife!

Première diffusion : 17 février 2018

S4 E47 • The Power That Surpasses Deities! The Ultimate Chaos!!

Première diffusion : 24 février 2018

S4 E48 • Gao versus Keisetsu! Return of the Chaos Three!

Première diffusion : 3 mars 2018

S4 E49 • Wisdom's Ambition! The Terrifying Upgrade Declaration!

Première diffusion : 10 mars 2018

S4 E50 • Final Plan Activated! New World Chaos!

Première diffusion : 17 mars 2018