diff --git a/Media/arr_sync.sh b/Media/arr_sync.sh
index 448c76b..a7c6e34 100755
--- a/Media/arr_sync.sh
+++ b/Media/arr_sync.sh
@@ -701,6 +701,50 @@ _build_payload() {
     esac
 }
 
+# ==============================================================================================
+# ── MONITORED ENFORCEMENT — re-monitor any unmonitored items via bulk editor ──────────────────
+# ==============================================================================================
+# All library members must be monitored. Unmonitored items won't be searched and eventually
+# lose their files when cleanup runs after the series is removed from the arr.
+
+_enforce_monitored() {
+    local arr_type="$1" url="$2" api_key="$3" api_ver="$4" local_json="$5"
+
+    local bulk_endpoint ids_key
+    case "$arr_type" in
+        sonarr) bulk_endpoint="series/editor"; ids_key="seriesIds"  ;;
+        radarr) bulk_endpoint="movie/editor";  ids_key="movieIds"   ;;
+        lidarr) bulk_endpoint="artist/editor"; ids_key="artistIds"  ;;
+        *)      return 0 ;;
+    esac
+
+    local ids_json count
+    ids_json=$(echo "$local_json" | jq '[.[] | select(.monitored == false) | .id]' 2>/dev/null)
+    count=$(echo "$ids_json" | jq 'length' 2>/dev/null || echo 0)
+    [[ "$count" -eq 0 ]] && return 0
+
+    warn "${arr_type^}: $count unmonitored items — re-monitoring"
+
+    if [[ "$DRY_RUN" == true ]]; then
+        warn "DRY RUN: would re-monitor $count ${arr_type^} items"
+        return 0
+    fi
+
+    local body http_code
+    body=$(jq -n --arg k "$ids_key" --argjson ids "$ids_json" '{($k): $ids, monitored: true}')
+    http_code=$(curl -sf -o /dev/null -w '%{http_code}' -X PUT \
+        -H "X-Api-Key: $api_key" \
+        -H "Content-Type: application/json" \
+        -d "$body" \
+        "${url}/api/${api_ver}/${bulk_endpoint}" 2>/dev/null)
+
+    if [[ "$http_code" == "200" || "$http_code" == "202" ]]; then
+        log "${arr_type^}: re-monitored $count items ✅"
+    else
+        warn "${arr_type^}: bulk re-monitor failed (HTTP $http_code)"
+    fi
+}
+
 # ==============================================================================================
 # ── CORE SYNC — one arr type across all remote nodes ──────────────────────────────────────────
 # ==============================================================================================
@@ -753,6 +797,9 @@ _sync_arr() {
 
     log "${arr_type^}: $local_count items in local library"
 
+    # ── Enforce monitored — fix any unmonitored items before sync ─────────────────────────────
+    _enforce_monitored "$arr_type" "$local_url" "$local_key" "$api_ver" "$local_json"
+
     local total_added_local=0 total_added_remote=0 total_skipped=0
 
     # ── Sync with each remote node ─────────────────────────────────────────────────────────────