diff --git a/lib/tvrage_api/tvrage_api.py b/lib/tvrage_api/tvrage_api.py
index 9b65278a..74dd0791 100644
--- a/lib/tvrage_api/tvrage_api.py
+++ b/lib/tvrage_api/tvrage_api.py
@@ -101,15 +101,12 @@ class ShowContainer(dict):
 
         #keep only the 100th latest results
         if time.time() - self._lastgc > 20:
-            tbd = self._stack[:-100]
-            i = 0
-            for o in tbd:
+            for o in self._stack[:-100]:
                 del self[o]
-                del self._stack[i]
-                i += 1
+                
+            self._stack = self._stack[-100:]
 
-            _lastgc = time.time()
-            del tbd
+            self._lastgc = time.time()
 
         super(ShowContainer, self).__setitem__(key, value)
 
diff --git a/sickbeard/helpers.py b/sickbeard/helpers.py
index bc3cb997..cca9f5f9 100644
--- a/sickbeard/helpers.py
+++ b/sickbeard/helpers.py
@@ -667,9 +667,9 @@ def get_all_episodes_from_absolute_number(show, absolute_numbers, indexer_id=Non
 def sanitizeSceneName(name, ezrss=False):
     """
     Takes a show name and returns the "scenified" version of it.
-    
+
     ezrss: If true the scenified version will follow EZRSS's cracksmoker rules as best as possible
-    
+
     Returns: A string containing the scene version of the show name given.
     """
 
@@ -900,7 +900,7 @@ def md5_for_file(filename, block_size=2 ** 16):
 
 def get_lan_ip():
     """
-    Simple function to get LAN localhost_ip 
+    Simple function to get LAN localhost_ip
     http://stackoverflow.com/questions/11735821/python-get-localhost-ip
     """
 
@@ -970,7 +970,7 @@ By Pedro Jose Pereira Vieito <pvieito@gmail.com> (@pvieito)
 * The keys should be unique for each device
 
 To add a new encryption_version:
-  1) Code your new encryption_version        
+  1) Code your new encryption_version
   2) Update the last encryption_version available in webserve.py
   3) Remember to maintain old encryption versions and key generators for retrocompatibility
 """
@@ -1164,8 +1164,12 @@ def mapIndexersToShow(showObj):
 
     # for each mapped entry
     for curResult in sqlResults:
-        logger.log(u"Found indexer mapping in cache for show: " + showObj.name, logger.DEBUG)
-        mapped[int(curResult['mindexer'])] = int(curResult['mindexer_id'])
+        nlist = [i for i in curResult if i is not None]
+        # Check if its mapped with both tvdb and tvrage.
+        if len(nlist) >= 4:
+            logger.log(u"Found indexer mapping in cache for show: " + showObj.name, logger.DEBUG)
+            mapped[int(curResult['mindexer'])] = int(curResult['mindexer_id'])
+            return mapped
     else:
         sql_l = []
         for indexer in sickbeard.indexerApi().indexers: