diff --git a/VERSION b/VERSION
index 79efce5..8abba37 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.9.7-status-format-fix
+2.9.8-bulk-date-update
diff --git a/api/web_routes.py b/api/web_routes.py
index 0963758..c378e1a 100644
--- a/api/web_routes.py
+++ b/api/web_routes.py
@@ -1573,7 +1573,79 @@ def register_web_routes(app, dependencies):
     @app.post("/api/bulk/update-source")
     async def api_bulk_update_source(media_type: str, old_source: str, new_source: str):
         return {"error": "Bulk operations not available in web container. Use core container on port 8085."}
-    
+
+    @app.post("/api/episodes/bulk-update-dates")
+    async def api_bulk_update_episode_dates(request: Request):
+        """Bulk update episode dates"""
+        try:
+            data = await request.json()
+            episodes = data.get('episodes', [])
+            date_source = data.get('date_source', 'airdate')
+            custom_date = data.get('custom_date')
+
+            if not episodes:
+                return {"success": False, "message": "No episodes provided"}
+
+            db = dependencies["db"]
+            sonarr = dependencies.get("sonarr_client")
+
+            updated_count = 0
+            failed_count = 0
+
+            for ep in episodes:
+                imdb_id = ep.get('imdb_id')
+                season = ep.get('season')
+                episode = ep.get('episode')
+
+                if not all([imdb_id, season is not None, episode is not None]):
+                    failed_count += 1
+                    continue
+
+                try:
+                    dateadded = None
+                    source = "manual"
+
+                    if date_source == 'airdate':
+                        # Get airdate from Sonarr
+                        if sonarr:
+                            episode_data = sonarr.get_episode(imdb_id, season, episode)
+                            if episode_data and episode_data.get('airDateUtc'):
+                                dateadded = episode_data['airDateUtc']
+                                source = "sonarr:airdate"
+                    elif date_source == 'import':
+                        # Get import date from Sonarr history
+                        if sonarr:
+                            import_date = sonarr.get_episode_import_date(imdb_id, season, episode)
+                            if import_date:
+                                dateadded = import_date
+                                source = "sonarr:import"
+                    elif date_source == 'custom':
+                        # Use custom date
+                        if custom_date:
+                            dateadded = custom_date
+                            source = "manual:custom"
+
+                    if dateadded:
+                        db.upsert_episode_dates(imdb_id, season, episode, dateadded, source)
+                        updated_count += 1
+                    else:
+                        failed_count += 1
+
+                except Exception as e:
+                    print(f"❌ Error updating episode {imdb_id} S{season:02d}E{episode:02d}: {e}")
+                    failed_count += 1
+
+            return {
+                "success": True,
+                "updated": updated_count,
+                "failed": failed_count,
+                "message": f"Updated {updated_count} episode(s), {failed_count} failed"
+            }
+
+        except Exception as e:
+            print(f"❌ Bulk update error: {e}")
+            return {"success": False, "message": str(e)}
+
     # Reports
     @app.get("/api/reports/missing-dates")
     async def api_missing_dates_report():
diff --git a/nfoguard-web/static/index.html b/nfoguard-web/static/index.html
index 265748c..e0b9db2 100644
--- a/nfoguard-web/static/index.html
+++ b/nfoguard-web/static/index.html
@@ -711,6 +711,6 @@
     <!-- Toast Notifications -->
     <div class="toast-container" id="toast-container"></div>
 
-    <script src="/static/js/app.js?v=2.9.7-status-format-fix"></script>
+    <script src="/static/js/app.js?v=2.9.8-bulk-date-update"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/nfoguard-web/static/js/app.js b/nfoguard-web/static/js/app.js
index ef39dfb..b8b8cf7 100644
--- a/nfoguard-web/static/js/app.js
+++ b/nfoguard-web/static/js/app.js
@@ -509,10 +509,44 @@ function showEpisodesModal(data) {
                         <button id="bulk-select-all" class="btn btn-sm btn-secondary" onclick="toggleSelectAll()">
                             <i class="fas fa-check-square"></i> Select All
                         </button>
+                        <button id="bulk-update-dates" class="btn btn-sm btn-primary" onclick="showBulkUpdateModal()" style="margin-left: 10px;" disabled>
+                            <i class="fas fa-calendar"></i> Update Dates (<span id="update-count">0</span>)
+                        </button>
                         <button id="bulk-delete-selected" class="btn btn-sm btn-danger" onclick="bulkDeleteSelected()" style="margin-left: 10px;" disabled>
                             <i class="fas fa-trash"></i> Delete Selected (<span id="selected-count">0</span>)
                         </button>
                     </div>
+
+                    <!-- Bulk Update Dates Modal -->
+                    <div id="bulk-update-modal" class="modal" style="display: none;">
+                        <div class="modal-content" style="max-width: 500px;">
+                            <div class="modal-header">
+                                <h3>Bulk Update Episode Dates</h3>
+                                <button class="close-button" onclick="closeBulkUpdateModal()">&times;</button>
+                            </div>
+                            <div class="modal-body">
+                                <p>Update <strong><span id="modal-selected-count">0</span></strong> selected episode(s) to:</p>
+                                <div class="form-group">
+                                    <label>Date Source:</label>
+                                    <select id="bulk-date-source" class="form-control">
+                                        <option value="airdate">Air Date (from Sonarr)</option>
+                                        <option value="import">Import Date (from Sonarr history)</option>
+                                        <option value="custom">Custom Date</option>
+                                    </select>
+                                </div>
+                                <div id="custom-date-input" style="display: none; margin-top: 10px;">
+                                    <label>Custom Date:</label>
+                                    <input type="datetime-local" id="bulk-custom-date" class="form-control">
+                                </div>
+                            </div>
+                            <div class="modal-footer">
+                                <button class="btn btn-secondary" onclick="closeBulkUpdateModal()">Cancel</button>
+                                <button class="btn btn-primary" onclick="executeBulkUpdate()">
+                                    <i class="fas fa-save"></i> Update Dates
+                                </button>
+                            </div>
+                        </div>
+                    </div>
                     <div class="table-container">
                         <table class="data-table sortable-table">
                             <thead>
@@ -1670,16 +1704,26 @@ function updateBulkDeleteButton() {
     const selectedCheckboxes = document.querySelectorAll('.episode-checkbox:checked');
     const selectedCount = selectedCheckboxes.length;
     const bulkDeleteButton = document.getElementById('bulk-delete-selected');
+    const bulkUpdateButton = document.getElementById('bulk-update-dates');
     const selectedCountSpan = document.getElementById('selected-count');
-    
+    const updateCountSpan = document.getElementById('update-count');
+
     if (selectedCountSpan) {
         selectedCountSpan.textContent = selectedCount;
     }
-    
+
+    if (updateCountSpan) {
+        updateCountSpan.textContent = selectedCount;
+    }
+
     if (bulkDeleteButton) {
         bulkDeleteButton.disabled = selectedCount === 0;
     }
-    
+
+    if (bulkUpdateButton) {
+        bulkUpdateButton.disabled = selectedCount === 0;
+    }
+
     // Update select all checkbox state
     const selectAllCheckbox = document.getElementById('select-all-checkbox');
     const allCheckboxes = document.querySelectorAll('.episode-checkbox');
@@ -1754,6 +1798,113 @@ async function bulkDeleteSelected() {
     }
 }
 
+// Bulk update dates functions
+function showBulkUpdateModal() {
+    const selectedCheckboxes = document.querySelectorAll('.episode-checkbox:checked');
+    const selectedCount = selectedCheckboxes.length;
+
+    if (selectedCount === 0) {
+        showToast('❌ No episodes selected', 'error');
+        return;
+    }
+
+    const modal = document.getElementById('bulk-update-modal');
+    const modalSelectedCount = document.getElementById('modal-selected-count');
+    const dateSourceSelect = document.getElementById('bulk-date-source');
+    const customDateInput = document.getElementById('custom-date-input');
+
+    if (modalSelectedCount) {
+        modalSelectedCount.textContent = selectedCount;
+    }
+
+    // Show/hide custom date input based on selection
+    if (dateSourceSelect) {
+        dateSourceSelect.onchange = function() {
+            if (customDateInput) {
+                customDateInput.style.display = this.value === 'custom' ? 'block' : 'none';
+            }
+        };
+    }
+
+    if (modal) {
+        modal.style.display = 'flex';
+    }
+}
+
+function closeBulkUpdateModal() {
+    const modal = document.getElementById('bulk-update-modal');
+    if (modal) {
+        modal.style.display = 'none';
+    }
+}
+
+async function executeBulkUpdate() {
+    const selectedCheckboxes = document.querySelectorAll('.episode-checkbox:checked');
+    const selectedCount = selectedCheckboxes.length;
+    const dateSource = document.getElementById('bulk-date-source').value;
+    const customDate = document.getElementById('bulk-custom-date').value;
+
+    if (selectedCount === 0) {
+        showToast('❌ No episodes selected', 'error');
+        return;
+    }
+
+    if (dateSource === 'custom' && !customDate) {
+        showToast('❌ Please enter a custom date', 'error');
+        return;
+    }
+
+    // Close modal
+    closeBulkUpdateModal();
+
+    // Collect selected episodes
+    const episodes = [];
+    selectedCheckboxes.forEach(checkbox => {
+        const row = checkbox.closest('tr');
+        episodes.push({
+            imdb_id: row.getAttribute('data-imdb'),
+            season: parseInt(row.getAttribute('data-season')),
+            episode: parseInt(row.getAttribute('data-episode'))
+        });
+    });
+
+    // Show progress
+    showToast(`⏳ Updating ${selectedCount} episode(s)...`, 'info');
+
+    try {
+        const response = await apiCall('/api/episodes/bulk-update-dates', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({
+                episodes: episodes,
+                date_source: dateSource,
+                custom_date: customDate || null
+            })
+        });
+
+        if (response.success) {
+            showToast(`✅ Successfully updated ${response.updated || selectedCount} episode(s)`, 'success');
+
+            // Reload the current series to show updated dates
+            const currentImdbId = currentTVSeries;
+            if (currentImdbId) {
+                loadEpisodes(currentImdbId);
+            }
+
+            // Clear selections
+            selectedCheckboxes.forEach(checkbox => checkbox.checked = false);
+            updateBulkDeleteButton();
+        } else {
+            showToast(`❌ ${response.message || 'Failed to update episodes'}`, 'error');
+        }
+    } catch (error) {
+        console.error('Bulk update error:', error);
+        showToast('❌ Error updating episodes', 'error');
+    }
+}
+
 // ==================== Database Population Functions ====================
 
 let populatePollingInterval = null;