7.0
3.3
Where can I stream Haunted Harmony Mysteries: Key to the Castle?
In the United States, Haunted Harmony Mysteries: Key to the Castle streams on fuboTV, Hallmark+, and Hallmark TV. It also streams in 1 other country.
Trailer
Summary
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.
Good for
- Date night
- Family movie night
- Friends night
Skip it if
- You want dark or edgy material
Where to watch
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Not for brutality, tears or big ideas.
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Cast
Crew
- Directed by
- Linda-Lisa Hayter
- Written by
- Kraig Wenman
- Produced by
- Charles Cooper, Edwina Forkin
- Music by
- Jeff Tymoschuk
Everyone
Pick a department, or search for a name or a job (“editor”, “stunt”).
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Haunted Harmony Mysteries: Key to the Castle2026
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In this series · 4 films
- 1
Haunted Harmony Mysteries: Murder in G Major2023 - 2
Haunted Harmony Mysteries: Buried at C2025 - 3
Haunted Harmony Mysteries: Key to the Castle2026 · You're here - 4
Haunted Harmony Mysteries: Prelude to a Wedding2026
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GoodWatch score 69
Facts
May 30, 2026 · 1 h 24 min · Mystery, TV Movie
- Released
- May 30, 2026
- Runtime
- 1 h 24 min
- Genres
- Mystery, TV Movie
- Original language
- English
- Made in
- Canada, United States
- Available in
- 2 countries
Q&A
6 questions, like "Where can I stream Haunted Harmony Mysteries: Key to the Castle?"
Questions about Haunted Harmony Mysteries: Key to the Castle
Quick answers from GoodWatch data.
Is Haunted Harmony Mysteries: Key to the Castle worth watching?
73
GoodGoodWatch scoreMostly, it's well received, with a GoodWatch score of 73 (IMDb 7 and Letterboxd 3.3 out of 5).
Is Haunted Harmony Mysteries: Key to the Castle a sequel?
- Haunted Harmony Mysteries: Murder in G Major (2023)
- Haunted Harmony Mysteries: Buried at C (2025)
- Haunted Harmony Mysteries: Key to the Castle (2026)
- Haunted Harmony Mysteries: Prelude to a Wedding (2026)
Yes: it's movie 3 of 4 in its series, after Haunted Harmony Mysteries: Buried at C (2025) and before Haunted Harmony Mysteries: Prelude to a Wedding (2026).
Is Haunted Harmony Mysteries: Key to the Castle okay for kids?
Yes: the viewing guide lists it for kids.
Can I half-watch Haunted Harmony Mysteries: Key to the Castle?
Easy watchDemanding
Yes: it's easy to follow, with complexity at only 4 of 10, and the viewing guide calls it good for background watching.
Will I feel good after watching Haunted Harmony Mysteries: Key to the Castle?
BleakHopeful
Yes, it's an uplifting movie: the title analysis rates it 8 of 10 for hopefulness and 8 for wholesome.