diff --git a/atlas/models.py b/atlas/models.py
index 91f952d8..6a52aeec 100644
--- a/atlas/models.py
+++ b/atlas/models.py
@@ -576,7 +576,7 @@ class Series(SeriesBase):
             "<a href='{}'>{}</a>", self.get_absolute_url(), self.get_full_str()
         )
 
-    @lru_cache(maxsize=128)
+    #@lru_cache(maxsize=128)
     def get_series_dicom_json(self):
         instances = []
 
diff --git a/atlas/templates/atlas/collection_viva.html b/atlas/templates/atlas/collection_viva.html
index 23eec14d..5b0c0a84 100644
--- a/atlas/templates/atlas/collection_viva.html
+++ b/atlas/templates/atlas/collection_viva.html
@@ -7,7 +7,7 @@
         <p>Click on the 'Show' button to view the case in the viewer. Click on the 'Open' button to open the case in a new window.</p>
         <p>Opening a second case will replace the first case in the viewer or window.</p>
     </details>
-                    <button class="show-collection no-padding" data-title="{{case.title}}" data-target="/ohif/viewer/dicomjson?url=https://www.penracourses.org.uk{% url 'atlas:collection_dicom_json' collection.pk %}">Show Collection</button>
+                    {% comment %} <button class="show-collection no-padding" data-title="{{case.title}}" data-target="/ohif/viewer/dicomjson?url=https://www.penracourses.org.uk{% url 'atlas:collection_dicom_json' collection.pk %}">Show Collection</button> {% endcomment %}
 
     <ol id="" class="sortable">
         {% for case in cases %}
@@ -74,7 +74,7 @@
                 $('#case-title').text("Series: " + $(this).data('title'));
                 $('#viewer').attr('src', url)
             });
-            $('.open-case').click(function() {
+            $('.open-case, .open-series').click(function() {
                 var url = $(this).data('target');
                 bc.postMessage(url);
                 if (win2 == false || win2.closed) {