Strange things are happening at Green Hill asylum…
| Release Date | June 15, 1991 | |
|---|---|---|
| Status | Released | |
| Original Title | Minus One | |
| Runtime | 15min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United States of America | |
| Production Companies | Black Cat Productions Ltd. | |