"SD Gundam Force" is a 52-episode anime series that blends the Gundam franchise with a lighthearted, comedic tone and a super-deformed (SD) art style. The story is set in the futuristic city of Neotopia, where humans and robots coexist peacefully. The narrative centers on the Gundam Force, a team of heroic robots tasked with protecting the city from various threats, particularly the Dark Axis, an evil organization seeking to conquer multiple dimensions.

The protagonist, Shute, is a young boy who becomes involved with the Gundam Force after encountering Captain Gundam, a brave and noble leader from the Gundam universe. Together with Zero, a samurai-inspired Gundam from the medieval world of Lacroa, and Bakunetsumaru, a fiery and impulsive Gundam from the feudal realm of Ark, they form the core team defending Neotopia. Each member brings unique abilities and personalities, with Captain Gundam representing advanced technology, Zero embodying chivalry and magic, and Bakunetsumaru showcasing traditional martial arts and combat skills.

The Dark Axis, led by General Zeong, deploys various villains and mechanical monstrosities to invade Neotopia and other dimensions. Key antagonists include Zapper Zaku, a bumbling yet persistent Zaku-type robot, and Grappler Gouf, a more cunning and dangerous foe. The Gundam Force faces numerous battles, often requiring teamwork and ingenuity to overcome the Dark Axis's schemes. The series also explores the relationships between humans and robots, emphasizing themes of friendship, courage, and cooperation.

As the story progresses, the Gundam Force travels across dimensions to confront the Dark Axis in their home world, encountering new allies and enemies along the way. The narrative balances episodic adventures with an overarching plot, culminating in a final showdown to save Neotopia and the multiverse from destruction. The series incorporates humor, action, and occasional dramatic moments, making it accessible to a younger audience while still appealing to Gundam fans familiar with the franchise's lore.