"Kyoryu Daisenso Aizenborg" is a science fiction anime series that revolves around a battle against ancient, destructive creatures known as the Dinosaur Empire. The story is set in a world where humanity faces extinction due to the resurgence of these prehistoric beings, which were awakened by a mysterious energy source. To combat this threat, the Aizenborg team is formed, a group of specialized individuals equipped with advanced technology and mecha suits designed to fight the dinosaur menace.

The protagonist, Tatsuya Kanou, is a young and determined pilot who joins the Aizenborg team after witnessing the devastation caused by the dinosaurs. Alongside him are other key members, including the skilled and resourceful Rei Asuka, the calm and analytical Dr. Kenzo Kabuto, and the brave and tactical Captain Goro Ibuki. Together, they operate the Aizenborg mecha, a powerful machine capable of transforming and combining with other units to enhance its combat capabilities.

The narrative unfolds as the Aizenborg team engages in a series of battles against the Dinosaur Empire, which is led by the cunning and ruthless General Zuhl. The dinosaurs are not merely mindless beasts; they are intelligent and organized, posing a significant challenge to humanity's survival. The series explores the team's efforts to uncover the origins of the Dinosaur Empire and the mysterious energy that revived them, while also delving into the personal struggles and growth of its members.

As the story progresses, the Aizenborg team faces increasingly powerful adversaries, including genetically enhanced dinosaurs and advanced mecha controlled by the enemy. The series balances intense mecha battles with moments of character development, highlighting the camaraderie and determination of the team. The overarching goal is to prevent the Dinosaur Empire from achieving its ultimate objective: the complete annihilation of humanity and the establishment of a new world order dominated by dinosaurs.

"Kyoryu Daisenso Aizenborg" combines elements of action, science fiction, and drama, presenting a straightforward yet engaging narrative about humanity's fight for survival against overwhelming odds. The series is characterized by its focus on teamwork, strategic combat, and the exploration of themes such as resilience and the consequences of tampering with ancient forces.