Osamu Tezuka's seminal 1967 shoujo series, Princess Knight, has arrived on Crunchyroll, Hulu, and TubiTV, offering the complete 52-episode run with both English dub and subtitles. The anime tells the story of Prince Sapphire, born with both a boy's and a girl's heart, who must live as a prince to protect the kingdom of Silverland from the usurping Duke Duralumin, as women are forbidden to reign.

Produced by Tezuka's own Mushi Production, Princess Knight is a foundational work in anime, blending fairy tale elements with themes of identity and crossdressing. Its influence can be seen throughout the shoujo genre, and it holds a 7.13 rating on MyAnimeList, reflecting its historical significance and enduring appeal.

With the series now complete and available across multiple platforms, viewers can experience this classic tale of adventure and self-discovery. The narrative follows Sapphire's dual life, navigating royal duties while grappling with her true identity, all under the watchful eye of a trainee angel tasked with retrieving one of her hearts.