"Hajime Ningen Gyatoruz" is a science fiction anime series that centers on the adventures of Gyatoruz, a young boy from the planet Gyator, and his companions as they navigate a universe filled with strange creatures, advanced technology, and interplanetary conflicts. Gyatoruz, the protagonist, possesses a unique ability to transform into a powerful, humanoid creature known as a "Hajime Ningen," which grants him extraordinary strength and agility. This transformation is a key element of the story, as it allows Gyatoruz to protect his friends and confront various threats.

The narrative begins with Gyatoruz and his friends, including the intelligent and resourceful Riruru and the brave warrior Goro, embarking on a journey across the galaxy. Their mission is to locate the legendary "Gyator Stones," ancient artifacts said to hold immense power and the key to saving their home planet from destruction. Along the way, they encounter numerous adversaries, including the malevolent space pirate Captain Zahab and his crew, who seek the Gyator Stones for their own nefarious purposes. The series explores themes of friendship, courage, and the struggle between good and evil as the characters face increasingly dangerous challenges.

As the story progresses, Gyatoruz and his companions visit a variety of planets, each with its own unique environment and inhabitants. These settings provide a backdrop for the series' action-packed battles and moral dilemmas. The characters' relationships deepen, and their individual strengths and weaknesses are tested in the face of adversity. The series also delves into the origins of the Gyator Stones and the ancient civilization that created them, adding layers of mystery and intrigue to the overarching plot.

The anime balances episodic adventures with a larger, interconnected narrative, ensuring a mix of standalone stories and ongoing character development. Gyatoruz's growth as a leader and his evolving understanding of his powers are central to the series, as are the bonds he forms with his friends. The dynamic between the main characters drives much of the emotional weight of the story, while the action sequences and imaginative world-building keep the plot engaging and fast-paced. "Hajime Ningen Gyatoruz" offers a blend of science fiction, adventure, and character-driven storytelling, making it a memorable entry in the genre.