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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 Jun 2
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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Darren P @Darrenpatrick 5d I love the idea of someone on a ghost hunting show who doesn't believe getting killed then having to solve his own murder in the after life with other spirits. Had lots of fun with this one. See more Tracy U @Tracyule Jun 11 The way they do the victim reveal here was genuinely really clever. It actually fooled and confused me for a hot minute before the little hamster in my brain caught up and i genuinely had no concrete ideas on who could have done it. See more Maria Q @MariaQe Jun 9 My favs are back and better than ever in Key to the Castle. Fun mystery, funnier lines, and this one really turned the tides of the love relationship toward O'Reilly. See more Olivia J @RT02808372 Jun 2 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 Jun 2 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 Jun 1 Review: wp.me/p65txm-irE/#HauntedHarmonyMysteries 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.
Director
Linda-Lisa Hayter
Producer
Edwina Forkin
Screenwriter
Kraig Wenman
Distributor
Hallmark Channel
Rating
TV-PG
Genre
Mystery & Thriller
Original Language
English
Release Date (Streaming)
May 31, 2026
Runtime
1h 24m