Episode status cell shows TBA for episodes that do not have an air date

UI/Cells/EpisodeStatusCell.js

@@ -25,7 +25,12 @@ define(
                         tooltip = 'Episode downloaded';
                     }
                     else {
-                        if (hasAired) {
+                        if (!this.model.get('airDate')) {
+                            icon = 'icon-question-sign';
+                            tooltip = 'TBA';
+                        }
+
+                        else if (hasAired) {
                             icon = 'icon-warning-sign';
                             tooltip = 'Episode missing from disk';
                         }