A meteoroid with a diameter of six or more miles is on collision course with Earth.
| Created By | Chris McMaster | |
|---|---|---|
| Status | Returning Series | |
| Original Name | Object Z | |
| First Air Date | October 19, 1965 | |
| Last Air Date | October 26, 1965 | |
| Seasons | 1 | |
| Episodes | 2 | |
| Episode Runtime | 0min | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | RediffusionAssociated-Rediffusion Television | |
| Networks | ||