1 Season
52 Episode
W3 - Season 1 Episode 40 The Secret of the Grand Piano
- Year: 1966
- Country: Japan
- Genre: Animation, Sci-Fi & Fantasy
- Studio: Fuji TV
- Keyword: anime
- Director: Osamu Tezuka
- Cast: Fuyumi Shiraishi, Yasuo Kojima, Yoshio Kanauchi, Shinsuke Chikaishi, Kazuko Sawada