| Created By | Dario Argento | |
|---|---|---|
| Status | Ended | |
| Original Name | La porta sul buio | |
| First Air Date | September 4, 1973 | |
| Last Air Date | September 25, 1973 | |
| Seasons | 1 | |
| Episodes | 4 | |
| Episode Runtime | 0min | |
| Language | Italian | |
| Original Language | Italian | |
| Production Countries | Italy | |
| Production Companies | RAISeda Spettacoli | |
| Networks | Rai 1 | |
