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Haunted Harmony Mysteries: Key to the Castle

Play trailer Poster for Haunted Harmony Mysteries: Key to the Castle TV-PG 2026 1h 24m Mystery & Thriller Play Trailer Watchlist
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When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the brand-new spirit to cross over.

Critics Reviews

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Liz Kocan Decider 1d
Haunted Harmony Mysteries: Key To The Castle is another winning installment of what has proven to be a reliably strong mystery series on the Hallmark Channel. Go to Full Review
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Audience Reviews

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Olivia J @RT02808372 1d Key to the Castle is another solid mystery intertwining murder, afterlife and the question of who will she finally choose as her love interest. O'Reilly takes center stage in this one almost answering that. But I'm not counting Griff out. Hopefully, there are more of the movies, ghosts, and Eamon's unfinished business cards. See more Cecilia S @Cecilia2 1d Maybe it’s the idyllic Irish locale, maybe it’s the unlikely but delightful relationship between human Gethsemane and ghost Eamon, or maybe it’s the clever conceit of a ghost helping to solve another ghost’s murder, but Key To The Castle is a well-written mystery that’s utterly satisfying to watch. See more Tiffany G @RT23468976 3d Review: wp.me/p65txm-irE/#HauntedHarmonyMysteries See more Rolla G @Rollagirl 3d Key to the Castle is fun movie and another great sequel to this franchise. Was originally leaning toward Team Griff in previous film, but now I'm getting swayed to Team Oreilly. See more Dana B @RT62120709 4d I always love these movies, characters, and the fun between Gethsemane and Eamon. See more Read all reviews
Haunted Harmony Mysteries: Key to the Castle

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Movie Info

Synopsis When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the brand-new spirit to cross over.
Distributor
Hallmark Channel
Rating
TV-PG
Genre
Mystery & Thriller
Original Language
English
Release Date (Streaming)
May 31, 2026
Runtime
1h 24m