"Chiisana Pengin: Lolo no Bōken" centers on the adventures of Lolo, a small penguin, and his friends as they navigate the challenges and wonders of their icy Antarctic home. The series is episodic, with each episode presenting a self-contained story that often revolves around themes of friendship, problem-solving, and exploration. Lolo, the protagonist, is curious and resourceful, often taking the lead in helping his friends or resolving conflicts within their community. His companions include Lala, a cheerful and supportive penguin, and a diverse group of other animals who inhabit their environment.

The narrative frequently highlights the natural beauty and dangers of the Antarctic setting, with episodes featuring encounters with predators, harsh weather conditions, and the need to find food and shelter. Despite these challenges, the tone remains lighthearted, emphasizing teamwork and perseverance. The characters often work together to overcome obstacles, showcasing their individual strengths and fostering a sense of camaraderie.

Throughout the series, Lolo and his friends engage in various activities, such as building igloos, exploring new territories, and learning about the world around them. The stories are designed to be educational, subtly introducing young viewers to concepts like environmental awareness, animal behavior, and the importance of cooperation. The simplicity of the plotlines and the relatable nature of the characters make the series accessible to a younger audience, while the charming animation and gentle humor provide universal appeal.