Three youngsters, Kenny, Jane and Ben, are contacted by Oska, the leader of planet Orion which has been conquered by the evil Kaneba. Using their special powers of Tempest, Cyclone and Thunder, they must unite with the Robot King to defend Earth from this ruthless invading force and defeat Kaneba's agent Dorato.
| Actor | Role |
|---|---|
 John CulkinKenny | Kenny |
| SSuzanne ValeJane | Jane |
 Stuart SmithDr Dorado | Dr Dorado |
 Marc MulloyDr Dorado's Henchman | Dr Dorado's Henchman |
 Scott SmithDr Hoy, Kaneba, Various | Dr Hoy, Kaneba, Various |
 Simon BroadNarrator, Security Chief Ko, Ben, Lieutenant, Various | Narrator, Security Chief Ko, Ben, Lieutenant, Various |