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.
Haunted Harmony Mysteries: Key to the Castle (2026) is available to stream online in HD across all devices — mobile, tablet, and desktop.
Watch Haunted Harmony Mysteries: Key to the Castle Full Movie HDTop Billed Cast
View All
Popular Movies Coming Soon
12 upcoming films
Spider-Man: Brand New Day
Spider-Man: Brand New Day
Super Troopers 3
Super Troopers 3
Insidious: Out of the Further
Insidious: Out of the Further
Resident Evil
Resident Evil
Street Fighter
Street Fighter
Clayface
Clayface
Ice Cream Man
Ice Cream Man
ゴジラ-0.0
Godzilla Minus Zero
रामायण
Ramayana: Part One
Avengers: Doomsday
Avengers: Doomsday
Lords of War
Lords of War
Riddick: Furya
Riddick: Furya
Upcoming Mystery Movies
1 titles
Super Troopers 3
Super Troopers 3
More by Cast
Tamera Mowry-Housley & Marco Grazzini
Twitches Too
Twitches Too
Twitches
Twitches
Haunted Harmony Mysteries: Buried at C
Haunted Harmony Mysteries: Buried at C
All's Fair in Love and Mahjong
All's Fair in Love and Mahjong
Designing Christmas
Designing Christmas
A Valentine's Match
A Valentine's Match
Comments & Discussions
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
Because you liked Haunted Harmony Mysteries: Key to the Castle
Petals on the Wind
Petals on the Wind
A Gift to Remember
A Gift to Remember
Der Kuss meiner Schwester
Kissing My Sister
Schweigeminute
A Minute’s Silence
Addams Family Reunion
Addams Family Reunion
Swing Into Romance
Swing Into Romance
Teen Wolf: The Movie
Teen Wolf: The Movie
A Royal Date for Christmas
A Royal Date for Christmas
'Twas the Text Before Christmas
'Twas the Text Before Christmas
Christmas on Windmill Way
Christmas on Windmill Way
Search for movies, TV shows, collections, manga, or people
Trending Now