Masked Rider is an American adaptation of the 1988 Japanese television series Kamen Rider Black RX. It aired on Fox as part of the Fox Kids program block from September 16, 1995, to August 31, 1996. The series began with the main character, Prince Dex, escaping the Plague Patrol with a small group of Edenoite rebels. Dex was dispatched to Earth by his grandfather to keep Count Dregon from taking over it.