"Pikachu to Pokémon Ongakutai" is a short anime series that centers around Pikachu and a group of musically inclined Pokémon who form a band called the Pokémon Music Squad. The narrative unfolds as the squad prepares for a major concert, showcasing their musical talents and teamwork. The story emphasizes the collaborative efforts of the Pokémon as they rehearse, overcome minor challenges, and bond through their shared passion for music.

The main characters include Pikachu, who serves as the band’s leader and drummer, and other Pokémon such as Piplup, Snivy, and others who play various instruments like the guitar, keyboard, and bass. Each Pokémon brings a unique personality and skill set to the group, contributing to the dynamic and harmonious nature of the squad. The series highlights their dedication to perfecting their performances, often incorporating lighthearted moments and comedic interactions as they navigate the ups and downs of preparing for the concert.

The plot is straightforward, focusing on the journey of the Pokémon Music Squad as they work together to create a memorable musical experience. The series does not delve into complex conflicts or dramatic twists but instead maintains a cheerful and upbeat tone, emphasizing themes of friendship, creativity, and perseverance. The concert serves as the culmination of their efforts, providing a satisfying conclusion to their musical adventure. Overall, "Pikachu to Pokémon Ongakutai" is a light, entertaining series that appeals to fans of Pokémon and music alike, offering a simple yet engaging narrative centered around teamwork and artistic expression.