Three alien beings - a Sontaran officer, a Draconian nobleman and a Human mercenary - find themselves transported to a remote asteroid by a mysterious alien who wants to test their worthiness for his race's masterplan
| Directing | Keith Barnfather | Director |
| Writing | Terrance Dicks | Writer |
| Production | Keith Barnfather | Producer |
| Editing | Brian Comley | Editorial Services |
| Art | Keith Dunne | Production Design |
