| Created By | ||
|---|---|---|
| Status | Ended | |
| Original Name | Den svarta cirkeln | |
| First Air Date | January 23, 1990 | |
| Last Air Date | February 20, 1990 | |
| Seasons | 1 | |
| Episodes | 5 | |
| Episode Runtime | 1h 0min | |
| Language | Swedish | |
| Original Language | Swedish | |
| Production Countries | Sweden | |
| Production Companies | ||
| Networks | SVT1 | |