diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74838aa..2e197b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ All notable changes to this project will be documented in this file.
 
 # Changelog
 
+## [0.5.1] - 2025-09-08
+
+### Changed
+- **BREAKING**: RadarrClient now operates in DATABASE ONLY mode
+- Completely eliminated Radarr API usage for movie lookups and import date detection
+- All movie operations now use direct database queries exclusively
+- Debug endpoints updated to use database-only methods
+- Enhanced error messaging when database access is not configured
+
+### Fixed
+- Fixed debug endpoint still calling API methods despite database availability
+- Removed all API fallback mechanisms for true database-only operation
+
 ## [0.5.0] - 2025-09-08
 
 ### Added
diff --git a/VERSION b/VERSION
index 8f0916f..4b9fcbe 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.0
+0.5.1
diff --git a/nfoguard.py b/nfoguard.py
index 6460712..1f6dec4 100644
--- a/nfoguard.py
+++ b/nfoguard.py
@@ -864,24 +864,16 @@ async def debug_movie_import_date(imdb_id: str):
         
         _log("INFO", f"Found movie: {movie_title} (Radarr ID: {movie_id})")
         
-        # Get import date with detailed logging - use the optimized method
-        import_date = radarr_client.earliest_import_event_optimized(movie_id)
-        if import_date:
-            source = "radarr:history.import.optimized"
-        else:
-            # Fallback to file dateAdded
-            import_date = radarr_client.earliest_file_dateadded(movie_id)
-            source = "radarr:file.dateAdded" if import_date else "no_date_found"
+        # Get import date with detailed logging - DATABASE ONLY
+        import_date, source = radarr_client.get_movie_import_date(movie_id, fallback_to_file_date=True)
         
-        # Get movie files
-        movie_files = radarr_client.movie_files(movie_id)
+        # Movie files info - DATABASE ONLY mode (minimal info)
         file_info = []
-        for f in movie_files:
+        if import_date:
             file_info.append({
-                "id": f.get("id"),
-                "relativePath": f.get("relativePath"),
-                "dateAdded": f.get("dateAdded"),
-                "quality": f.get("quality", {}).get("quality", {}).get("name", "Unknown")
+                "note": "DATABASE ONLY MODE - File details from database queries",
+                "import_date_used": import_date,
+                "source": source
             })
         
         return {
@@ -991,8 +983,8 @@ async def debug_movie_history(imdb_id: str):
                 "full_data": event_data
             })
         
-        # Find what our algorithm would pick
-        picked_date = radarr_client.earliest_import_event_optimized(movie_id)
+        # Find what our algorithm would pick - DATABASE ONLY
+        picked_date, _ = radarr_client.get_movie_import_date(movie_id, fallback_to_file_date=True)
         
         return {
             "imdb_id": imdb_id,