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| Release Date | January 21, 1988 | |
|---|---|---|
| Status | Released | |
| Original Title | Knock Knock, Who's There? | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | Filipino | |
| Production Countries | Philippines | |
| Production Companies | Golden Lions Films | |
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