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数码宝贝：合体战争
第一期：数码兽合体战争 （第01话至第30话） 一天，工藤大树偶然听到了神秘声音的呼唤，与朋友们一起来到了数码世界，在那里认识了众多的数码兽同伴并且成为指挥官建立“Xros Heart”团队。意想不到的是，在数码世界中除了他们外竟然还有别的人类在数码世界中活跃着……然而，为了防止邪恶的巴古拉军企图称霸数码世界，他们将要努力地收集水晶（Code Crown）来保护各个领域（Zone），担负起拯救数码世界的命运。 第二期：数码兽合体战争 ～邪恶的死亡指挥官与七个王国～ （第31话至第54话） 被巴古拉兽击回到人类世界的工藤大器和高吼兽，经过东京大决战留在人类世界一天后，相对地数码世界已经过了好几个月的时间，并落入了巴古拉军支配下的地狱世界，分裂为七个国家（Land），由七名巴古拉军手下的死亡指挥官所统治，而这七名死亡指挥官就是本篇章的主要敌人。为了让数码世界再次得到和平，工藤大器和高吼兽决定再次回到危机四伏的数码世界中。此外，本篇章亦出现全新力量“超进化”。
工藤大树是看到有困难的人就无法放著不管的国中生。某天因为他这样的个性拯救了一个谜样生物，但也因此将两个朋友阳本明里及剑善次郎给捲入了异世界。 到底这三人的命运会如何呢？大树所拯救的谜样生物又是什麽？紧张刺激的异世界冒险即将展开！
咆哮兽们所住的微笑之里被巴古拉军给袭击了！虽然咆哮兽请求大树们一起拯救村子，大树却因为要和明里、善次郎一起回人类世界而拒绝。到底咆哮兽会採取什麽行动呢？大树他们能顺利回到人类世界吗？在异世界的冒险即将揭幕！
在巴古拉军干部战策兽的指示下，疯狂狮子兽命令鑽地兽刺激微笑之里的地底，使地底长出巨大的竹笋，有惧高症的善次郎一口气被抛到空中！就在此时，出现在大器面前的是人类少年桐叶和少女宁宁！这两人会是敌人还是朋友呢？
得到地区的支配者证明──代码王冠晶片的大树们，来到下一个地区。为了拯救被巴古拉军所侵略的岛屿地区，大器和咆哮兽等人组成的队伍Xros Heart挺身而出，但在八爪鱼兽的攻击下大树们却跌落海中！在水中无法自由行动的咆哮兽该如何是好呢？
为了得到在巨鲸兽肚子裡的代码王冠晶片，巴古拉军们与大器们纷纷潜入巨鲸兽的肚子裡，然后咆哮兽却在此时被皇蜂兽的毒针给刺到了！代码王冠晶片究竟会落入谁的手中？传说中的宝物又是什麽？在波澜万丈的战斗中，小乌龟兽所下的决心是…！
就在大器们打算用代码王冠晶片，向巴古拉军换回被抓走的海龟兽时，桐叶又再次出现在大树们的面前！拒绝桐叶所提出协助的大树面前，又出现了多鲁路兽！到底桐叶的提议是什麽？大器们是否能平安救出海龟兽呢？可爱的传说中数码兽登场！
Team Xros Heart arrives in the Magma Zone where they decide to relax a bit in the hot springs. Their time for relaxation is cut short when SkullMeramon and some Meramon of Bagura Army shows up. Cutemon and Dorulumon comes to their rescue once more and Cutemon reveals that he is looking for his parents. Also it seems that BlueMeramon in the Bagura Army knows Dorulumon...
To prevent AncientVolcamon from destroying the cave and killing the prisoners, Taiki issues a surrender from Team Xros Heart. He then hands over a fake version of his Xros Loader and the gang is lead away to a cell where they hope to find Cutemon's parents. There they plan an escape unknowing that Tactimon has arrived to the Magma Zone, with an unexpected revelation.
Tactimon attacks Team Xros Heart and captures Dorulumon and Taiki, ordering their execution. Meanwhile Nene informs Kiriha of Taiki's capture and he comes to fight Tactimon. While Tactimon is distracted by Mailbirdramon and Kiriha, BlueMeramon helps Taiki and Dorulumon to escape along with the rest of Xros Heart. The group then learns more about Dorulumon's involvement with the Bagura Army while they look for Taiki's Xros Loader.
Arriving in the Lake Zone, Team Xros Heart quickly discovers that the Bagura Army is present thanks to IceDevimon's frozen victims. After rescuing a drowning Knightmon, Taiki and the others are introduced to the ruler of the castle of the Lake Zone: Persiamon. Meanwhile IceDevimon and his troops attack but when they fail and retreat, the general Lilithmon appears to take over. She then reveals the plan to thaw out a frozen powerful and dangerous digimon.
Overdoing it during battle, Taiki passes out and Persiamon takes over to care for him. However Akari becomes sad and jealous since that is usually her job. Unfortunately Lilithmon seizes the opportunity to turn Akari's emotions against her and control her, forcing Akari to find the fragment of Code Crown and bring it to her. Meanwhile as Taiki recovers, Lilithmon also unleashes the powerful digimon Daipenmon who nearly wipes out Taiki's forces that Zenjirou is leading. At the very end Nene appears before Kiriha, saying she has decided to team up with him, revealing that she wields a black Xros Loader.
Heading into the Sand Zone, the Fusion Fighters fall prey to the heat and the Bagra Army. Saved by Deputymon, they are forced to go treasure hunting at gunpoint, while the last of the Three Generals, Blastmon, roams the Zone.
The battle between Blastmon and Nene and Kiriha's forces continue. Meanwhile as Team Xros Heart investigates the commotion, they are attacked by Baalmon who accidentally reveals an old Digimon goddess statue that has been buried. While fighting, Blastmon causes the ground to collapse, making Taiki and the statue to take a tumble deep underground, separating the kindhearted general from his friends. Baalmon then appears before Taiki and says Taiki has been blessed by the goddess and is now her warrior. In response, Baalmon helps lead Taiki from the underground while enlightening him about the past of the Sand Zone and the goddess warriors. Eventually Taiki learns more about Baalmon himself and his tragic past...
After Baalmon is fatally wounded by Lilithmon, Taiki is instructed by Pharaohmon to use the Sand Zone's Code Crown which rises a pyramid that carries Team Xros Heart and Baalmon away from Lilithmon and her SkullScorpiomon army. Taiki uses his DigiXros to summon the statue of the Digimon Goddess to begin healing Baalmon's wounds. Meanwhile Lilithmon's forces try to break into the pyramid and Team Xros Heart all band together to fight while being unable to Digi Xros.
In Heaven Zone arena, a crowd of Digimon are watching a Gargoylemon and GuardiAngemon (commanders of Heaven Zone's Police) executing a Puttimon who broke laws. Meanwhile, Xros Heart arrives at the Zone and amaze by the surrounding. Later, Taiki falls off a cliff but is saved by Shakkoumon. Dondokomon drums disrupting a Pucchiemon orchestra and gets in trouble with a police Piximon. Taiki tries to stop the argument caused by Dondokomon as Lucemon shows up to clean the mess. After the argument is off, Lucemon tells Taiki and the that Gargoylemon is a member of the Heaven police. Lucemon then takes them on a balloon tour, but Dondokomon knocks down a sculpture. Gargoylemon arrives and arrests Dondokomon, Taiki, and Shoutmon. Moments later, Taiki teammates and Lucemon visit the police department where they are told that Dondokomon is being interrogated. Ballistamon ends up busting Taiki, Shoutmon, and Dondokomon out which alerts the rest of the force.
As GuardiAngemon holds a coronation for Lucemon, Shoutmon has an encounter with Shakkoumon in the library after Lucemon leaves. When Lucemon arrives for his coronation, it is crashed by Shakkoumon who is really the administrator of the election. Lucemon uses the Heaven Zone's Presidential Armlet to split the Heaven Zone unleashing a floating building in order to gain its Code Crown. Lucemon than Digivolves into Lucemon Chaos Mode and reveals that he is actually working for Lilithmon. When Shoutmon tries to attack Lucemon, he ends up zapped upon the arrive of Nene and DarkKnightmon. She releases Sparrowmon as she and DarkKnightmon head to the floating building where a dark energy ball which also appear with the Zone's parting as it is corrupting the Heaven Zone's inhabitants. Before Lucemon takes off, he is grabbed by Ballistamon and then attacked by Dorulumon only for him, Ballistamon, Starmon, and the Pickmons to be knocked away.
As the dark energy ball engulfs Lucemon Chaos Mode and Nene, Sparrowmon tries to grab Nene but fails as the energy digivolves Lucemon into his Shadowlord Mode with the girl trapped in the Gehanna sphere. As Lucemon takes off, Sparrowmon attacks him to rescue Nene as Shoutmon ×4 and Beelzebumon also involving in the fight too. But neither the Xros Heart Digimon or Sparrowmon could stop Lucemon as he siphons all the dark energy from the Heaven Zone's darkness-infected citizens, growing bigger as a result while a Monitamon informs DarkKnightmon on the current situation. While Xros Heart regroups to figure out how to defeat Lucemon, Nene reflects on the time when she was with Sparrowmon. Sparrowmon wakes up in Xros Heart's care as Lucemon starts to absorb the Heaven Zone as Shoutmon ×4, Beelzebumon, and Shakkoumon are unable to stop him. Without the help of DarkKnightmon, Sparrowmon tries another attempt at Gehanna with Taiki using the Patamon DigiMemory so Shoutmon ×4 to support her.
While traveling to the next zone, Xros Heart end up falling from the skies into the Forest Zone. Beelzebumon, Akari and Zenjirō has split fron Taiki and his remaining team members after the fall. Taiki then looks for Akari and Zenjirō by sending Dorulumon and Deputymon to perform the task. Akari's side encounter with Stingmon who launches an attacks on them but stopped by Lilamon and later reveal themselves as the guardians of the Forest Zone's deity that sleeps within a sacred temple. Just then, Taiki find themselves surrounded by Kongoumon and his army of MegaKabuterimon. He then DigiXros Shoutmon into Shoutmon ×2 and brings out Knightmon and the PawnChessmon to fight their rival with Tactimon arrives. Dorulumon and Deputymon are managed to locate Zenjirō and Akari and Beelzebumon follows them, leaving Zenjirō and Akari behind which later they encountered with Kiriha and Nene.
Nene and DarkKnightmon pursue the light that Stingmon is in revealing that he is then healed by the Forest Zone's deity Deckerdramon. Outside the temple, Lilamon mentioning a dance ritual called the Love Love Dance which will open a gateway while Taiki goes after Kiriha and drawing him back to the ruins. In front of a crowd of digimon, Zenjirō and Akari are forced to perform the embarrassing dance and it is working, calling Deckerdramon’s attention to open the gateway. Taiki and his teammates catches the light with Kiriha, Sparrowmon and Monitamon following him while Beelzebumon and some others stay behind to fight Kongoumon. Nene and DarkKnightmon appear before Deckerdramon in an attempt to recruit him and gain the Zone's Code Crown. The Xros Heart arrives and DigiXrossing Shoutmon into Shoutmon ×4 along with Kiriha's MetalGreymon to fight with DarkKnightmon.
The wave of darkness that Taiki is ensnared by is revealed to be DarkKnightmon's action in an attempt to recruit Taiki. It turns out that Taiki pure heart revokes the dark energy of an orb stored by DarkKnightmon, leading the discards of Taiki off a tower. Luckily, Taiki is saved by Akari and Dorulumon, though his Xros Loader is stolen by a Garbagemon who escape onto a Kettle the Trailmon with his teammates who consist a groups of MetalMamemon and ShadowToyAgumon. During the pursuit, Taiki, Shoutmon, and Dorulumon end up caught between the train tracks as different Trailmon pass by, that is sending trashes all around. Taiki then has an encounter with Puppetmon. Through Puppetmon, the gang soon learns about the tyrant Digimon GranLocomon is ruling the Dust Zone. When Taiki mentioned about Xros Loader, Puppetmon's behavior was turn rapidly by offering himself to Taiki for searching it.
