"Cat Shit One: The Animated Series" is a short-form anime adaptation of the manga "Cat Shit One" by Motofumi Kobayashi. The series is set in an alternate world where anthropomorphic animals represent different nations and military factions. The story centers on a trio of elite soldiers from the United States Special Forces, codenamed "Cat Shit One," who are tasked with high-risk missions in conflict zones. The main characters are Perky, a skilled and resourceful rabbit; Botasky, a tough and experienced rat; and Rats, a sharpshooter and the team's newest recruit.

The narrative unfolds in a war-torn Middle Eastern setting, where the team is deployed to rescue a kidnapped journalist. The mission quickly escalates into a larger conflict involving insurgent forces, political intrigue, and the complexities of modern warfare. The series explores themes of camaraderie, the moral ambiguities of combat, and the psychological toll of military operations. Each episode focuses on the team's tactical maneuvers, their interactions with local factions, and the challenges they face in navigating a hostile environment.

The animation employs a mix of 3D CGI and traditional 2D elements, emphasizing realistic military tactics and weaponry. The anthropomorphic character designs serve as a metaphor for national identities, with rabbits representing Americans, cats symbolizing the Vietnamese, and camels standing in for Middle Eastern factions. The series is notable for its attention to detail in military hardware and its portrayal of the strategic and ethical dilemmas faced by soldiers in contemporary conflicts. Despite its short runtime, "Cat Shit One: The Animated Series" delivers a tightly paced narrative that balances action with moments of introspection, offering a unique perspective on the genre of military anime.