Season 1

A young boy, Ruuji Familon, is assisting his father in recovering a Zoid from the bottom of a lake when his village is attacked by silver-plated "Bio-Zoids". None of the villagers are able to pilot the excavated Zoid, u…

A Lance Stag and Sword Wolf appear and assist Ruuji in defeating the invading Bio-Zoids and dousing the fires in the village. The Zoids' pilots introduce themselves as Re Mii and Ra Kan, and explain that the Bio-Zoids' …

Ruuji is about to be crushed, but Murasame Liger defends itself of its own accord. Heartened, Ruuji fights back and drives away the Bio-Zoids for good, but, during the battle, the village's Generator is damaged and shut…

The group arrives at a trade city. While Mii and Ra Kan go to scout out the area, Ruuji takes Murasame Liger into the city by himself, hoping to find a Generator mechanic. He is treated to lunch by a girl named Kotona, …

While Ruuji continues his search for a Generator mechanic, he runs into Kotona again. Kotona's friend Garaga has been harassing her, so she asks Ruuji to pretend to be her fiance in order to discourage him. Garaga chall…

Garaga is revealed to be the leader of an anti-Digald guerrilla force. When his friends come under attack by Digald Bio-Raptors, Garaga enlists the help of Ruuji and the others to defend them. The group drives off the a…

The Bio-Raptors mount another attack on Garaga's base. The rebels plan a trap to defeat the Digald forces, but their plan is turned against them. Kotona is able to evacuate the rebels, but Ruuji and the others are surro…

The group leave for the village of Sakusa to find a Zoid mechanic, who is a friend of Ron's. However, they are forced to turn back after Rainbow Jerk runs out of Reggel. The city has been taken over by Digald forces, so…

Having escaped from the Bio-Raptors, Ruuji and the others arrive at Sakusa village, and meet the mechanic who was repairing Ron's Zoid, Bamburian. Ron wants to test Bamburian in battle, and challenges Ruuji to a friendl…

The morning after Ruuji left, he still has not returned. Kotona goes out to search for him, and comes across him staying at the home of the man in the Zaber Fang-type who saved him from the wild Zoids. Kotona recognizes…

The group finally has a lead as to the location of a Generator mechanic, a man named Ferde. They head off into the mountains, but Mii gets sick on the way. Ron, who knows a lot about herbs, tells Ruuji that there is a p…

Arriving at their destination, the group finds the city of Ze Ruft taken over by Digald soldiers. Ruuji, Kotona, and Seijuurou sneak into the city to find the Generator mechanic. Meanwhile, Ra Kan and the others are dis…

The Digald soldiers in the city are taking the citizens with the ability to pilot Zoids and putting them through military training. Ruuji and the others are captured and forced to do Digald's dirty work. Outside the cit…

The Ze Ruft defenders are completely overwhelmed and destroyed by Digald. Ruuji finally learns where Ferde is, and as the Ze Ruft forces mount another attack, the group goes to find him, only to discover he has been kil…

Ruuji is desperate to go back and help the people of Ze Ruft, but Ron disagrees. Ruuji and Garaga head back to the city on their own, and while they are away the rest of the group comes under attack by a large force of …

Separated from his friends, Ruuji runs into an anti-Digald group calling themselves "Tenka Muteki no Muteki-dan", and meets their leader, a woman called A Kan. The group assists Ruuji in searching for his friends and he…

Muteki-dan intercepts another Digald supply train, but this time Digald has brought a full force of Bio-Raptors, and the Muteki-dan are completely wiped out. Garaga, in his anger, unleashes Deadly Kong's ultimate weapon…

Mii, Ra Kan, Seijuurou and Kotona have reunited safely at Pikuru village. The villagers discover that they are being hunted by Digald, and plan to hand them over to the Bio-Raptors to protect their village. Ruuji and Ga…

An army of Bio-Zoids arrive at Pikuru village, led by Georg, who is determined to defeat Ra Kan. When they discovers that the group has already left, the Bio-Zoids begin burning down the village. Ruuji spots the smoke a…

Georg's Bio-Tricera is defeated and Murasame Liger reverts to its old form. Ruuji names the new form "Hayate Liger". The next day, while the group is helping to repair the village, Ruuji thinks about Digald's continued …

Ruuji, Kotona and Ra Kan head back to Mirodo village in Rainbow Jerk. They pass by a city under attack by Digald, and Rainbow Jerk is attacked by a Bio-Ptera, a flying Bio-Zoid. They manage to escape, but arrive at Miro…

The group arrives in Zuuri City, and learn about Mii's past and the death of her parents. Ra Kan is reinstated as ruler of the city, and promises to the citizens that he will defeat Digald and bring peace back to the wo…

The group splits up to send appeals from Ra Kan to several resistance groups, asking them to help in the coming battles against Digald. Ruuji is the last to leave, but not before getting some more training in with Seiju…

Zairin thinks back to the time his village was destroyed by Bio-Zoids, how he came to be a Digald Bio-Raptor pilot himself, and how General Jiin told him of his goals to become a god and control the entire Digald Empire…

The war against Digald begins, with Ra Kan's rebel army heading to its first target, Torafu. However, Zairin is able to read the army's movements and anticipates the attack. Seijuurou heads to Atakka as a distraction, w…

Torafu's defense force is sent to protect Atakka. Meanwhile, the rebels begin arguing amongst themselves. The Elephunder team heads out by themselves, and the other groups follow, each determined to be the first to reac…

The rebels have sustained heavy losses and are slowly recovering after the battle. Ra Kan temporarily disbands the army to give everyone a chance to think about what must be done next. Ruuji and the others are sent out …

Ruuji's group splits up and goes to find more rebels to help battle Digald. Ruuji, Mii, and Ron reach their first destination, and there they learn about the event called "God's Fury", which destroyed the previously adv…

Ra Kan and Kotona near Kotona's home, Ironrock, a supposedly cursed city. They are captured by the Makiri, guardians of Ironrock, led by Kotona's sister, Rina. Kotona reminisces about her childhood and how she came to p…

Garaga and Seijuurou enter the "Demon's Forest", looking for a powerful Zoid pilot named Danbul. Their Zoids begin moving strangely and acting on their own while inside the forest. They run into an old woman who claims …

Ruuji is attacked by a woman called Gaball, seeking revenge for her dead lover Dinga, who was part of Ra Kan's resistance army. Ron convinces her to take out her anger in a Zoid battle - her Brastle Tiger vs Ruuji's Mur…

Ruuji's group reaches Katou City, and learns more about the People of the Sky, and their giant Zoid that supposedly carried people to the heavens. Ruuji and the others go diving and find part of this Zoid, the Gildragon…

Kotona and Ra Kan stop to refuel their Zoids. Kotona defends a helpless citizen against Digald soldiers and soon finds herself attacked by Bio-Kentro. Ra Kan comes to her aid, but Sword Wolf is badly damaged. Kotona att…

Ruuji's group returns to Zuuri, and as they are passing through the secret entrance they are spotted by Digald soldiers. The troops mount a sneak attack on the city in the middle of the night, and Felme drops Souta and …

Ruuji and the others mount a surprise attack on Digu - a show of power in an attempt to create more supporters of their army. They are countered by Bio-Tyranno, a Zoid piloted by Jiin himself. Their plan completed, the …

Da Jin is unhappy with the Suppression Army using his city and wants to put rebuilding his fiefdom before defeating Digald. He challenges Ruuji to a deathmatch to decide Zuuri's fate. Ruuji overpowers him with Mugen Lig…

The flying Bio-Raptor Gui Zoids, led by Bio-Ptera, attack Zuuri City. They drop bombs and severely damage the buildings, then quickly retreat. Amongst the citizens, Mii discovers an injured boy who has lost hims memorie…

The citizens disguise Zuuri's ruined buildings to make it look undamaged, spurring the Bio-Raptor Gui forces to mount another attack. Ruuji and the rest of the group head to Torafu and lie in wait for the Bio-Raptors to…

The attackers break into the fortress and overpower Digald. Felme attacks Torafu's Generator, aggravating Ruuji into attacking her, but she manages to escape him. After the battle, Ruuji meets a friend of Ron's who come…

Zairin and an army of Bio-Zoids are dispatched to take back Torafu. They attack and successfully enter the city, and Volcano faces off against Mugen Liger. Zairin finds he cannot control his body and Volcano starts movi…

Jiin's father, the ruler of Digald, dies, and Jiin takes over as King. His plans to rule the entire world and the sky kingdom are set in motion. Ruuji and the Suppression Army continue working to free towns and villages…

The Suppression Army has succeeded in rescuing several more villages from Digald, and move on to their next target, Ebiya City. Ruuji and Kotona are left behind to organize the defense forces while the rest of the group…

Digald strikes back at the rebels and retakes several of the captured cities. Ron, Kotona, Ruuji and Ra Kan begin unraveling the mysteries of the People of the Sky and the Gildragon. They discover that a Gildragon is bu…

While the rest of the Suppression Army takes care of the Bio-Zoid guards, Ruuji, Kotona and Ra Kan make their way into Ironrock's forbidden valley. Kotona is reunited with Rina, who leads them to the Makiri's sacred gro…

Decalto Dragon appears to guide Gildragon to Sora City. When it arrives, Zairin and Seijuurou are taken to have their wounds treated, while the rest of the group are told that it will take three days to produce the requ…

The Digald forces, led by Felme, mount their attack on Sora City. They break through the energy shields and engage in combat with Sora's automated defense Zoids and its two Decalto Dragons. The Digald army quickly penet…

Jiin declares himself god of Digald and the entire world. Zairin and his troops fond themselves under attack by Bio-Raptors, and Zairin returns to Digu to demand an explanation from Jiin. It is revealed that the Bio-Zoi…

The Suppression Army plans to tell the Digald soldiers about the machine pilots in the hope they will turn against Jiin, however Georg returns and attacks them before their plans are completed. Zairin shares the ideals …

Ruuji takes over as leader of the Suppression Army, while Jiin begins destroying cities on his way to Torafu. Ruuji rallies the rebels along with Digald soldiers and they march out together to wage the final battle agai…

Zairin arrives and damages Bio-Tyranno, rendering it unable to use its Divine Thunder attack. However, Murasame Liger's Zoid Core is pierced and it stops moving. The group mount their final attack on Jiin, including Ra …