"SD Gundam World Sangoku Sōketsuden" is a 26-episode anime series that reimagines the Gundam universe through the lens of the Three Kingdoms period of Chinese history. The story is set in a world divided into three factions: the Shu, Wei, and Wu Kingdoms, each represented by SD (Super Deformed) versions of Gundam mobile suits. The narrative draws heavily from the historical and literary accounts of the Three Kingdoms, blending them with the mecha elements of the Gundam franchise.

The Shu Kingdom, led by Liu Bei Unicorn Gundam, seeks to restore peace and unity to the land. Liu Bei is joined by his loyal companions, Guan Yu Gundam and Zhang Fei Gundam, who together form the core of the Shu faction. Their journey is marked by battles against rival factions and internal struggles as they strive to uphold justice and protect the people. The Wei Kingdom, under the ambitious and ruthless Cao Cao Wing Gundam, aims to dominate the land through strength and strategy. Cao Cao's faction is characterized by its disciplined military and cunning tactics, often clashing with Shu and Wu. The Wu Kingdom, led by Sun Jian Gundam and later his son Sun Quan Gundam, seeks to maintain its independence and protect its territory. Wu's leaders are pragmatic and resourceful, often forming alliances or engaging in battles as circumstances dictate.

The plot revolves around the conflicts and alliances between these three factions, with key events and battles mirroring those of the Three Kingdoms period. Notable arcs include the Battle of Red Cliffs, where the combined forces of Shu and Wu face off against Wei's overwhelming navy, and the rise of Lu Bu Tallgeese, a formidable warrior whose loyalty is as unpredictable as his combat prowess. The series also explores the personal motivations and relationships of its characters, such as the bond between Liu Bei and his sworn brothers, Cao Cao's ambition to unify the land under his rule, and Sun Quan's struggle to uphold his father's legacy.

Throughout the series, the SD Gundam characters embody the traits and roles of their historical counterparts, with their designs and abilities reflecting their personalities and allegiances. The narrative balances action-packed battles with moments of political intrigue and character development, creating a dynamic and engaging story. The series concludes with the resolution of the Three Kingdoms conflict, leaving the fate of the land and its people in the hands of its leaders and their ideals.