diff --git a/src/UI/Calendar/CalendarView.js b/src/UI/Calendar/CalendarView.js
index b76859fc0..ceb771eca 100644
--- a/src/UI/Calendar/CalendarView.js
+++ b/src/UI/Calendar/CalendarView.js
@@ -6,6 +6,7 @@ var CalendarCollection = require('./CalendarCollection');
 var UiSettings = require('../Shared/UiSettingsModel');
 var QueueCollection = require('../Activity/Queue/QueueCollection');
 var Config = require('../Config');
+var SeriesCollection = require('../Series/SeriesCollection');
 
 require('../Mixins/backbone.signalr.mixin');
 require('fullcalendar');
@@ -94,6 +95,10 @@ module.exports = Marionette.ItemView.extend({
                 });
             }
         }
+
+        else if (SeriesCollection.get(event.model.get('seriesId')).get('seriesType') === 'anime' && event.model.get('seasonNumber') > 0 && !event.model.has('absoluteEpisodeNumber')) {
+            this._addStatusIcon(element, 'icon-sonarr-form-warning', 'Episode does not have an absolute episode number');
+        }
     },
 
     _eventAfterAllRender :  function () {