Haunted Harmony Mysteries Collection

Watch order for Haunted Harmony Mysteries Collection — 4 films by release date.

1. Haunted Harmony Mysteries: Murder in G Major (2023)
2. Haunted Harmony Mysteries: Buried at C (2025)
3. Haunted Harmony Mysteries: Key to the Castle (2026)
4. Haunted Harmony Mysteries: Prelude to a Wedding (2026)