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The Olsen twins solve crimes in Transylvania before their bedtime. Peak '90s chaos.
TMDB
70

The Adventures of Mary-Kate & Ashley: The Case of Thorn Mansion (1994)

trenchcoat couturepre-school noirsingalong sleuthing

Overview

ComedyFamilyMystery

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!

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Content warning

Standout Aspects

Costume

Those matching trench coats invented a whole aesthetic.

Acting

Elizabeth Olsen's tiny cameo before she became Scarlet Witch.

Best for:Family: Perfect for babysitting your niece who just discovered mysteries.·Background: 28 minutes of nostalgic noise while you fold laundry.·Rewatch: For former '90s kids chasing that very specific VHS feeling.
M

Director

Michael Kruzan

ReleasedSep 13, 1994
Runtime28m
StatusReleased

Vibe

Pacefast
Intensitylow
Tonelight
Feellight
Dualstar Productions

Top Cast

Ashley Olsen

Ashley Olsen

Ashley Olsen

Mary-Kate Olsen

Mary-Kate Olsen

Mary-Kate Olsen

Elizabeth Olsen

Elizabeth Olsen

Elizabeth Olsen

Elizabeth Lambert

Elizabeth Lambert

Natasha Thorn

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Deep Dive

Trivia, insights & behind the scenes

Trivia

This was Elizabeth Olsen's actual acting debut at age five—she just stands in the background looking confused.

Cultural

The 'Trenchcoat Twins' became a merchandising empire before the twins could legally sign contracts.

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