"Samurai Champloo" is not a movie; it is a Japanese animated television series created by Shinichirō Watanabe. The show aired from 2004 to 2005 and consists of 26 episodes. It blends historical elements of the Edo period with modern influences, particularly hip-hop culture. The story follows three main characters—Mugen, Jin, and Fuu—as they embark on a journey across Japan in search of a samurai who smells of sunflowers. The series is known for its unique animation style and soundtrack.

"Samurai Champloo" and "Cowboy Bebop" are not directly connected in terms of storyline or characters, but they share several similarities. Both anime series were directed by Shinichirō Watanabe and feature a blend of genres, combining action with elements of hip-hop and music. They also explore themes of existentialism and feature a diverse cast of characters on their respective journeys. While each series stands alone, their stylistic and thematic connections reflect Watanabe's unique approach to storytelling in anime.

"Samurai Champloo" does not have a season 2. The anime, created by Shinichirō Watanabe, originally aired from 2004 to 2005 and consists of a single season with 26 episodes. While it gained a strong following and is often praised for its unique blend of samurai action and hip-hop culture, the series concluded without any continuation or additional seasons. There are no official announcements regarding a sequel or new episodes.

"Samurai Champloo" is rated 18+ primarily due to its graphic violence, strong language, and mature themes. The series features intense sword fights, bloodshed, and depictions of combat that can be quite brutal. Additionally, it explores adult themes like revenge, loyalty, and existential struggles, along with instances of nudity and suggestive content. The combination of these elements contributes to its mature rating, making it suitable for older audiences.