The Adventures of Mary-Kate & Ashley: The Case of Thorn Mansion
Movie| Title | The Adventures of Mary-Kate & Ashley: The Case of Thorn Mansion |
| User score | 7 |
| Release date | Sep 13, 1994 |
| Genre | Family, Comedy, Mystery |
| Director | Michael Kruzan |
| Production country | US |
| Production companies | Dualstar Productions |
| Run time | 14 min. |
Mystery! Action! Songs! Join Detectives Mary-Kate and Ashley as they undertake daring adventures. Pack your gear and help the Trenchcoat Twins investigate the danger that lurks. Along with their sidekick dog, Clue, Mary-Kate and Ashley promise to "solve any crime by dinner time." In this episode, the Olsen and Olsen Mystery Agency has been hired to find the ghost in a haunted mansion in Transylvania!
