"Son-goku Is Coming: Chapter of Ko-fu Dai-o" is a short anime special that serves as a prequel to the Dragon Ball GT series, focusing on the character Son Goku and his early adventures. The story begins with Goku as a child, living a peaceful life in the mountains with his grandfather, Son Gohan. Goku’s carefree existence is disrupted when he encounters a mysterious old man named Ko-fu Dai-o, who claims to be a legendary martial artist. Ko-fu Dai-o challenges Goku to a series of tests to determine if he is worthy of inheriting a powerful technique known as the "Kamehameha."

The narrative unfolds as Goku embarks on a journey to prove his strength and determination. Along the way, he faces various trials, including physical challenges and battles against formidable opponents. These encounters test not only Goku’s combat skills but also his character and resolve. Ko-fu Dai-o serves as both a mentor and an antagonist, pushing Goku to his limits while imparting valuable lessons about discipline and perseverance.

The story also introduces key elements of Goku’s personality, such as his boundless curiosity, unwavering optimism, and innate fighting spirit. Despite his young age, Goku demonstrates remarkable growth as he overcomes obstacles and learns from his experiences. The special highlights the origins of Goku’s iconic Kamehameha technique, which becomes a defining aspect of his character in later series.

The animation style and tone of the special align with the early Dragon Ball aesthetic, emphasizing humor, action, and lighthearted adventure. While the plot is relatively simple, it effectively sets the stage for Goku’s future development as a martial artist and hero. The special serves as a nostalgic nod to the roots of the Dragon Ball franchise, offering fans a glimpse into Goku’s formative years and the beginnings of his legendary journey.