- 1
Le Monde intérieur
Hunter Steele, un adolescent à l’âme aventurière, suit les directives de son grand-père afin de trouver un portail vers le Monde intérieur.
- 2
N'abandonne jamais
Corona donne à Hunter sa première leçon de Spider Rider alors qu’ils se promènent tous deux au cœur d’Arachna.
- 3
Premières impressions
Hunter Steele arrive enfin au château d’Arachna et fait très mauvaise impression sur les autres Spider Riders, en particulier l’arrogant Igneous.
- 4
L'odeur de la victoire
Hunter se porte rapidement volontaire pour venir en aide aux gens du village des Floraisons, attaqué par les Invectids.
- 5
À la mémoire des champions
Corona emmène Hunter à la colline des champions, l’endroit où les araignées et les humains ont combattu ensemble les Invectids pour la première fois.
- 6
Au jeu, Spider Riders !
Tous les enfants de la ville jouent avec une sphère scintillante, sauf la Princesse Sparkle, jusqu’à ce que Hunter trouve l’endroit d’où elles viennent et lui en rapporte une.
- 7
Puissance princière
L’attitude nonchalante du Prince Lumen et son dédain pour l’entraînement amènent Hunter à se poser des questions sur ses qualités de chef des Spider Riders.
- 8
Le guerrier errant
Lors d’une patrouille, Hunter et Shadow se retrouvent dans la Forêt de la Confusion, de laquelle, selon la légende, personne n’est jamais ressorti.
- 9
Les vacances de Hunter
Après des semaines d’entraînement et de combats incessants, Corona et Igneous permettent à Hunter de prendre une journée de congé, mais ils ne comprennent pas pourquoi il la passe à dormir.
- 10
L'ennemi sous nos pieds
Hunter et ses amis Spider Riders cherchent à savoir ce qui cause des trous béants dans un village isolé. Ils découvrent alors un mille-pattes Invectid géant appelé Celpido qui est résolu à tout détruire.
- 11
Diversion meurtrière
Buguese a trouvé la porte menant au temple de l’Oracle. Il ne lui reste plus qu’à créer une brèche dans le champ énergétique qui l’empêche d’y entrer.
- 12
Les clés de la destruction
Hunter et les Spider Riders décident de suivre les indications de Grasshop et se dirigent vers le temple de l’Oracle.
- 13
La clé de la victoire
Maintenant que Buguese possède deux des clés de l’Oracle, les Spider Riders s’avèrent trop faibles pour vaincre son puissant scarabée de combat.
- 14
Montre-moi ta puissance
Buguese a perdu la première clé de l’Oracle, mais cela n’inquiète pas Mantid outre mesure. Ils pourront la récupérer lorsqu’ils auront trouvé les autres.
- 15
L'araignée fantôme
Hunter accepte d’aider Corona à répéter des pas de danse en vue de la fête dansante annuelle. Une nuit, il aperçoit l’ombre d’une énorme araignée dans les couloirs du château.
- 16
Le village de Corona
Corona et Hunter, toujours à la recherche des clés de l’Oracle, visitent le village où a grandi Corona. Cependant, les parents et amis de Corona sont surtout intéressés à unir les deux Spider Riders célibataires.
- 17
Le retour d'un ami
Igneous retrouve Slate, un vieil ami des Chevaliers d’Arachna. À cette époque, ils formaient une équipe formidable.
- 18
Démasquée
Au cours d’une patrouille, Hunter et Magma découvrent une vieille école. Sur le seuil de la porte, ils rencontrent Aqune qui ne sait plus qui elle est ni d’où elle vient.
- 19
Lumen amoureux
Lady Noia, une amie d’enfance de Lumen, vient lui rendre visite au château d’Arachna.
- 20
Scène d'héroïsme
Les Spider Riders acceptent de jouer dans une pièce de théâtre sur la vie du célèbre héros Quake après que tous les acteurs de la troupe ont démissionné.
- 21
Parce que je suis une guerrière
Les Spider Riders sont épuisés à cause des affrontements incessants avec les Invectids. À tel point que Corona se met à rêver d’une vie « normale ».
- 22
Le coût de la guerre
Quand Magma annonce qu’il part en patrouille pour obtenir de nouveaux renseignements au sujet de Portia, Hunter propose de l’accompagner.
- 23
Monde ténébreux
Une fois de plus, Grasshop échoue dans sa tentative de récupérer la clé de l’Oracle qui se trouve entre les mains des Spider Riders.
- 24
La clé de la ville
L’armée de Stags ravage le royaume de Nuuma dans le but de trouver la clé de l’Oracle.
- 25
Arachna en action
Lorsqu’il apprend que la ville Nuuma a été envahie par les Invectids, Hunter désire se porter à la rescousse des habitants.
- 26
Gros insecte
Aqune a volé la clé de l’Oracle de Hunter, et tout porte à croire que les Spider Riders sont finalement vaincus. Beerain attaque le château et prend la clé de Nuuma, mais se la fait rafler par Grasshop.
- 27
Fateful Decision
Stags and his army are about to obtain the fourth Oracle Key when the Oracle raises a shield around Nuuma Castle and raises it into the sky. Hunter continues to try and convince the other Spider Riders to go to Nuuma; fortunately, with Slate's return to Arachna, none of the Spider Riders have any reason to refuse to go to Nuuma.
- 28
Journey of Champions
The Spider Riders reach the town of Fuushuwa and discover they need to a ship in order to sail up Fuushuwa Falls and then across the Inner Ocean to Nuuma. When Quint, owner of the only ship in town, refuses to help them, Hunter tries to find his own way to Nuuma. Meanwhile Sparkle, who was left behind, joins up with a reformed Grasshop and they build a flying machine to travel across the sea.
- 29
Voyage
The voyage to Nuuma is anything but pleasant - the Spider Riders are disorganized, getting seasick, the food is disgusting, and everyone is lazy. Hunter's efforts to put everything in order are in vain and things only get worse when they find they have to somehow cross a channel of lava.
- 30
Ghost Ship
The Spider Riders are attacked by Invectids but lose them when their ship enters a strange fog. A mysterious ship appears before them and they meet the Lost Mariner, a sailor who once aided the hero Quake on his way to Nuuma.
- 31
Paradise
With their ship is destroyed, the Spider Riders are separated and Hunter, Corona, and Magma wake up in a strange forest. Aqune appears and is prepared to attack when her mask crumbles and she and Portia are released from their spell. Buguese arrives to retrieve Aqune, Portia, and Hunter's Oracle Keys, but everyone suddenly disappears, leaving Buguese confused. The Spider Riders are in a place where they are offered the decision to give up their lives as Spider Riders and live peacefully. Will Hunter and the other Spider Riders throw away their manacle's to live peaceful lives?
- 32
Hero
Hunter and the Spider Riders are back in the forest where they come upon a strange old man who claims that he is the hero Quake. The man's identity is in doubt until he successfully fends off Buguese and his Invectids with his staff. Quake then sends the Spider Riders on their way, by opening a portal to the desert.
- 33
Grasshop's Misfortunes
Lumen and Igneous are travelling across forested land when they find Sparkle, who reveals she has been accompanied by her "Uncle Hop" - Grasshop. Grasshop must decide if he wishes to continue aiding the Invectids or help the Spider Riders, especially Sparkle, who reminds him on his own children and whose kindness has saved him more than once.
- 34
Reunions
Both Corona and Aqune have unsettling feelings concerning what will happen in Nuuma. Buguese arrives and captures an injured Corona to use her as bait to take Hunter's Oracle Keys. When Hunter agrees to give up the keys for Corona, Buguese reveals his true plan - to regain control of Aqune. The Spider Riders are finally all reunited.
- 35
Spies and Lies
The Spider Riders aren't certain if they can trust Grasshop yet and interrogate the Invectid. While Beerain distracts the Spider Riders and tries to lure Grasshop back with a promise to reinstate him in the Big Four, Buguese has Aqune attempt to break through the Oracle's shield to enter Nuuma Castle.
- 36
Numa Castle
The Spider Riders finally enter Nuuma and discover the city is completely deserted and the castle is suspended in the sky. Accompanied by Solan, a page of Nuuma Castle, they are taken to the castle and greeted by the beautiful Queen Illuma, who senses something familiar about Corona.
- 37
Bitter Revenge
The Invectids have invaded Nuuma Castle with the help of Aqune. Queen Illuma tries to dissuade the Spider Riders from fighting, believing they are too young, but Hunter and the others choose to defend the castle anyways. Stags challenges Hunter again to a duel with the promise that he will be the victor this time.
- 38
The Confrontation
Hunter regains consciousness after Stags defeats him and continues to fight back. Buguese and Aqune attack Lumen and Igneous, who are defending the Oracle Key in its sanctuary.
- 39
Protectors of Life
Hunter fights Buguese's Battle Beetle, but cannot defeat it until Grasshop helps out by removing its regeneration component. However, Buguese reveals that he was merely distracting the Spider Riders while Aqune removes the Oracle Key from its chamber.
- 40
Oracle's Maiden
With the Oracle Key removed, Nuuma Castle starts falling to the ground. Hunter and Corona use the Oracle's power along with one of Hunter's Oracle Keys to bring the castle down safely. Queen Illuma reveals startling details about Corona's and Aqune's past as being sisters as well as being handmaidens to the spirit Oracle.
- 41
Returning
Upon returning to Arachna, the Spider Riders discover Invectids at the castle. Slate and his troops struggle to hold them off until Igneous turns the tide in their favour. The Invectids flee, only to return at night with a new type of Invectid to attack Slate and other guards.
- 42
Bad Omen
Mantid, with two Oracle Keys in his possession, creates a cannon capable of attacking Arachna Kingdom. Hunter and Corona sneak into Mantid's fortress to disable the cannon while Beerain discovers Mantid's true plan - to take all of Oracle's power for himself and with no intention of bringing sunlight back to the Invectids' land.
- 43
Fly No Longer
Beerain escapes from Mantid and tries to find Buguese to inform him of Mantid's true intentions, but is attacked by Aqune, who damages Beerain's wings. Hunter fights Buguese and traps Corona to protect her, believing that Corona no longer wishes fight.
- 44
A Lack of Trust
Grasshop and Sparkle find a badly injured Beerain and treat her injuries. Hunter and the Spider Riders consider negotiating with Invectids instead of fighting them. When Buguese appears, Hunter makes the offer, but ends up in a duel with Buguese instead. Beerain arrives to reveal Mantid's plan, but Buguese deliberately rejects her, aware that Mantid's spies are watching, and leaves her with the Spider Riders.
- 45
Labyrinth
Despite Grasshop's request she stay, Beerain leaves the Spider Riders, uncertain where she will go, because she does not trust humans yet. The Spider Riders and Grasshop decide to infiltrate Mantid's castle through the dangerous labyrinth. However, when they are attacked and Hunter falls from a bridge, he awakes in the company of Aqune, who takes him to meet Mantid for the first time.
- 46
Afraid of the Dark
The Spider Riders try to think of a plan to find Hunter and get out of the labyrinth. Mantid reveals to Hunter how the Invectids have lived in darkness without sunlight for most of their lives and offers to prove it by removing Aqune's mask and having her show Hunter around.
- 47
Dark Deceptions
Hunter agrees to give Mantid his Oracle Keys so long as the Invectids never attack Arachna again. Quake arrives and reveals to Hunter that Mantid is the one responsible for taking the Oracle Sun from the Invectids and that he has no intention of bringing it back. Corona and the others are able to leave the labyrinth at last and join Hunter and Quake.
- 48
Mantid's Trap
Quake reveals a prophesy concerning eight Spider Riders defeating Mantid and that Quake (after Aqune rejoins them) is the eighth. Mantid gives Buguese control of his new creation, Dark Opal, and commands him to attack the Spider Riders with Aqune. However, when Hunter, after failing to reach a peaceful resolution, tries to use his Oracle Keys, their power is stolen by Dark Opal and given to Mantid, who is using Aqune to prevent Buguese from betraying him.
- 49
Welcome Back
Mantid uses Aqune to steal the Oracle's power causing the Oracle herself to weaken and then enhances Aqune in order to have her defeat the Spider Riders. Mantid then shows up as his renewed self. Mantid then commands the spider riders to bow down to him Hunter trys to object but Grasshop doesn't let him. Grasshop tells Mantid to do what ever he wanted to do with him if he spare the spider riders. Mantid almost kills grasshop but is stopped by Buguese who order him to keep the promise he made to his people. Buguese then attempts to take Mantid on using Dark Opal, but is defeated. Mantid sends Aqune to attack the spider riders,then Buguese freeing Aqune from Mantid's control,.
- 50
Ark of Destiny
Buguese survives after crashing Dark Opal into Mantid's fortress and laments that he lacked the power to force Mantid to bring back the sun. Grasshop guides the Spider Riders through the sewers to reach Mantid and the group separates again: Sparkle and Lumen escort Grasshop to visit his family, Igneous and Magma fend off Invectids, and Hunter, Corona, Aqune, and Quake confront Mantid, who reveals he was once an Earthen like Hunter and then summons a ship composed entirely of the Oracle's power - the Ark of Destiny.
- 51
Les visages de la peur
Mantid compte utiliser son Arche du Destin pour conquérir le Monde Extérieur grâce au pouvoir de l'Oracle et se venger de cette dernière, à qui il a voué sa vie, pour finalement perdre celle qu'il aimait le plus. Quake révèle enfin sa véritable puissance de Cavalier Araignée et les Cavaliers Araignée unissent leurs forces pour détruire l'Arche du Destin. Buguese, secouru par Beerain et Stags, retrouve espoir en découvrant que les deux Clés de l'Oracle abandonnées scintillent encore d'une faible lueur.
- 52
Le pouvoir d'Arachna
Hunter Steele représente l'ultime espoir du Monde Intérieur. L'énergie combinée des huit Spider Riders s'unit pour vaincre définitivement Mantid, ramenant la paix et la lumière sur Arachna.