Royalteen Parent Guide Being in high school is already hard enough. Release date August 17, 2022 Netflix: Party Boy Prince Karl develops feelings for new girl Lena, but she's hiding secrets of her own that could prevent them from ever being together. Why is Royalteen rated TV-MA? The MPA rated Royalteen TV-MA For language, nudity. Run Time: 107 minutes News About "Royalteen" Cast and Crew Royalteen is directed by Per-Olav Sørensen, Emilie Beck and stars Ines Høysæter Asserson, Veslemøy Mørkrid, Elli Rhiannon Müller Osborne.