Northwest Mansion Mystery
| Image |  |
|---|---|
| Description | episode of Gravity Falls |
| Author/s |
screenwriter: Alex Hirsch Jeff Rowe Mark Rizzo director: Matt Braly |
| Publication date | February 16, 2015 |
| Language | |
| Country of origin | United States |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |