《相棒》 is a popular Japanese television series that first aired in 2000. The show follows the partnership between a detective and his assistant as they solve various criminal cases. Each episode typically features a new mystery, showcasing the duo's investigative skills and teamwork. The series has gained a significant following and has spawned multiple seasons, movies, and spin-offs. It highlights themes of friendship, justice, and the complexities of human relationships. The main characters often face moral dilemmas, making the show both entertaining and thought-provoking for viewers.