diff --git a/airtime_mvc/application/forms/AddShowRepeats.php b/airtime_mvc/application/forms/AddShowRepeats.php
index fe97c8ca1..703f8b661 100644
--- a/airtime_mvc/application/forms/AddShowRepeats.php
+++ b/airtime_mvc/application/forms/AddShowRepeats.php
@@ -18,8 +18,8 @@ class Application_Form_AddShowRepeats extends Zend_Form_SubForm
             'multiOptions' => array(
                 "0" => _("weekly"),
                 "1" => _("every 2 weeks"),
-                "3" => _("every 3 weeks"),
-                "4" => _("every 4 weeks"),
+                "4" => _("every 3 weeks"),
+                "5" => _("every 4 weeks"),
                 "2" => _("monthly")
             ),
         ));
diff --git a/airtime_mvc/application/forms/AddShowWhen.php b/airtime_mvc/application/forms/AddShowWhen.php
index 007852ba4..e6e3027d7 100644
--- a/airtime_mvc/application/forms/AddShowWhen.php
+++ b/airtime_mvc/application/forms/AddShowWhen.php
@@ -188,6 +188,10 @@ class Application_Form_AddShowWhen extends Zend_Form_SubForm
                     $interval = 'P7D';
                 } elseif ($formData["add_show_repeat_type"] == 1) {
                     $interval = 'P14D';
+                } elseif ($formData["add_show_repeat_type"] == 4) {
+                    $interval = 'P21D';
+                } elseif ($formData["add_show_repeat_type"] == 5) {
+                    $interval = 'P28D';
                 } elseif ($formData["add_show_repeat_type"] == 2) {
                     $interval = 'P1M';
                 }
diff --git a/airtime_mvc/application/services/ShowService.php b/airtime_mvc/application/services/ShowService.php
index 8e19a4c4d..168465189 100644
--- a/airtime_mvc/application/services/ShowService.php
+++ b/airtime_mvc/application/services/ShowService.php
@@ -206,11 +206,11 @@ class Application_Service_ShowService
                         new DateInterval("P14D"), $daysAdded);
                     break;
                 case REPEAT_TRI_WEEKLY:
-                    $this->createWeeklyRepeatInstances($day, $populateUntil, REPEAT_BI_WEEKLY,
+                    $this->createWeeklyRepeatInstances($day, $populateUntil, REPEAT_TRI_WEEKLY,
                         new DateInterval("P21D"), $daysAdded);
                     break;
                 case REPEAT_QUAD_WEEKLY:
-                    $this->createWeeklyRepeatInstances($day, $populateUntil, REPEAT_BI_WEEKLY,
+                    $this->createWeeklyRepeatInstances($day, $populateUntil, REPEAT_QUAD_WEEKLY,
                         new DateInterval("P28D"), $daysAdded);
                     break;
                 case REPEAT_MONTHLY_MONTHLY:
@@ -343,7 +343,7 @@ SQL;
 
             //if the start date changes, these are the repeat types
             //that require show instance deletion
-            $deleteRepeatTypes = array(REPEAT_BI_WEEKLY, REPEAT_MONTHLY_MONTHLY, 
+            $deleteRepeatTypes = array(REPEAT_BI_WEEKLY, REPEAT_TRI_WEEKLY, REPEAT_QUAD_WEEKLY, REPEAT_MONTHLY_MONTHLY, 
                 REPEAT_MONTHLY_WEEKLY);
 
             if (in_array($this->repeatType, $deleteRepeatTypes) &&