diff --git a/sphinx/themes/agogo/layout.html b/sphinx/themes/agogo/layout.html
index 1ab82f7f015..0b6f3339fa0 100644
--- a/sphinx/themes/agogo/layout.html
+++ b/sphinx/themes/agogo/layout.html
@@ -44,7 +44,7 @@
         <div class="sidebar">
           {%- block sidebartoc %}
           <h3>{{ _('Table of Contents') }}</h3>
-          {{ toctree() }}
+          {{ toctree(includehidden=True) }}
           {%- endblock %}
           {%- block sidebarsearch %}
           <div role="search">