Zenon: Girl of the 21st Century is a 1999 American science fiction comedy film directed by Kenneth Johnson and starring Kirsten Storms as the eponymous heroine. The film was based on the book Zenon: Girl of the 21st Century written by Marilyn Sadler and Roger Bollen. The film was originally conceived as a pilot for a potential television series. The film was the first under the Disney Channel Original Movie banner to produce a sequel, Zenon: The Zequel (2001). A third and final installment was also produced, Zenon: Z3 (2004).