"Robotan" is a comedic anime series centered around the misadventures of a small, clumsy robot named Robotan, who is sent to Earth from Robot Planet to assist the Kafuka family. The Kafuka household consists of the father, a salaryman; the mother, a housewife; and their young daughter, Mako. Robotan's primary purpose is to help with household chores, but his lack of coordination and naivety often lead to chaotic and humorous situations. Despite his good intentions, Robotan's actions frequently result in unintended consequences, causing frustration and confusion for the Kafuka family.

The series is episodic, with each episode featuring Robotan attempting to perform various tasks, such as cooking, cleaning, or babysitting, only to create more problems than he solves. His interactions with the family members and other characters, including neighbors and local children, highlight his childlike innocence and eagerness to please. Robotan's design is simple and cartoonish, resembling a small, round robot with a single antenna and expressive eyes, which adds to his charm and comedic appeal.

Throughout the series, Robotan's antics are driven by his desire to be useful, but his lack of understanding of human customs and his tendency to misinterpret instructions often lead to slapstick humor. The Kafuka family, while occasionally exasperated by Robotan's mistakes, ultimately cares for him and views him as a part of their household. The show's lighthearted tone and focus on everyday situations make it accessible to a wide audience, particularly younger viewers.

"Robotan" does not follow a continuous narrative arc but instead relies on self-contained episodes that emphasize humor and character interactions. The series captures the essence of classic comedy anime, with a focus on physical humor, exaggerated reactions, and the endearing flaws of its main character. Robotan's presence in the Kafuka household serves as a catalyst for both laughter and occasional moments of warmth, making the series a straightforward and entertaining depiction of a robot's attempts to navigate human life.