This is a series of thrillers designed to keep the audience on the edge of their seats.
| Created By | ||
|---|---|---|
| Status | Ended | |
| Original Name | Menace | |
| First Air Date | September 29, 1970 | |
| Last Air Date | May 31, 1973 | |
| Seasons | 2 | |
| Episodes | 23 | |
| Episode Runtime | 1h 15min | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | BBC | |
| Networks | ||