| Created By | Francis Durbridge | |
|---|---|---|
| Status | Ended | |
| Original Name | Die Schlüssel | |
| First Air Date | January 18, 1965 | |
| Last Air Date | January 22, 1965 | |
| Seasons | 1 | |
| Episodes | 3 | |
| Episode Runtime | 1h 20min | |
| Language | German | |
| Original Language | German | |
| Production Countries | Germany | |
| Production Companies | WDR | |
| Networks | Das Erste | |