diff --git a/CHANGES.md b/CHANGES.md
index 15286106..a35951f9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,11 @@
-### 0.16.22 (2018-08-18 12:30:00 UTC)
+### 0.16.23 (2018-08-21 21:00:00 UTC)
+
+* Fix detection of existing files
+* Change add sanitize 'imdbid' field in tvdb_api v2
+* Change indexer_id in imdb_info (switchIndexer)
+
+
+### 0.16.22 (2018-08-18 12:30:00 UTC)
 
 * Change TVDB data parsing for gueststars, writers and genre
 
diff --git a/lib/tvdb_api/tvdb_api.py b/lib/tvdb_api/tvdb_api.py
index 7040db25..17887813 100644
--- a/lib/tvdb_api/tvdb_api.py
+++ b/lib/tvdb_api/tvdb_api.py
@@ -639,6 +639,12 @@ class Tvdb:
                                 v = None
                         else:
                             v = None
+                    elif 'imdbid' == k:
+                        if v:
+                            if re.search(r'^(tt)?\d{1,7}$', v, flags=re.I):
+                                v = self._clean_data(v)
+                            else:
+                                v = ''
                     else:
                         v = self._clean_data(v)
                 if k in map_show:
diff --git a/sickbeard/common.py b/sickbeard/common.py
index 15379a08..29b8e301 100644
--- a/sickbeard/common.py
+++ b/sickbeard/common.py
@@ -180,7 +180,8 @@ class Quality:
         If no quality is achieved it will try sceneQuality regex
         """
 
-        name = os.path.basename(name)
+        from sickbeard import encodingKludge as ek
+        name = ek.ek(os.path.basename, name)
 
         # if we have our exact text then assume we put it there
         for x in sorted(Quality.qualityStrings.keys(), reverse=True):
@@ -201,7 +202,8 @@ class Quality:
         Return The quality from the scene episode File
         """
 
-        name = os.path.basename(name)
+        from sickbeard import encodingKludge as ek
+        name = ek.ek(os.path.basename, name)
 
         checkName = lambda quality_list, func: func([re.search(x, name, re.I) for x in quality_list])
 
diff --git a/sickbeard/tv.py b/sickbeard/tv.py
index da9f494f..430441e6 100644
--- a/sickbeard/tv.py
+++ b/sickbeard/tv.py
@@ -823,7 +823,7 @@ class TVShow(object):
                 logger.log('Since this file was renamed, file %s was checked and quality "%s" found'
                            % (file, Quality.qualityStrings[new_quality]), logger.DEBUG)
                 status, quality = sickbeard.common.Quality.splitCompositeStatus(cur_ep.status)
-                if Quality.UNKNOWN != new_quality or SKIPPED == status:
+                if Quality.UNKNOWN != new_quality or status in (SKIPPED, UNAIRED):
                     cur_ep.status = Quality.compositeStatus(DOWNLOADED, new_quality)
 
             # check for status/quality changes as long as it's a new file
@@ -860,6 +860,16 @@ class TVShow(object):
                                    % (cur_ep.status, Quality.compositeStatus(new_status, new_quality)), logger.DEBUG)
                         cur_ep.status = Quality.compositeStatus(new_status, new_quality)
 
+            elif same_file:
+                status, quality = Quality.splitCompositeStatus(cur_ep.status)
+                if status in (SKIPPED, UNAIRED):
+                    new_quality = Quality.nameQuality(file, self.is_anime)
+                    if Quality.UNKNOWN == new_quality:
+                        new_quality = Quality.fileQuality(file)
+                    logger.log('Since this file has status: "%s", file %s was checked and quality "%s" found'
+                               % (statusStrings[status], file, Quality.qualityStrings[new_quality]), logger.DEBUG)
+                    cur_ep.status = Quality.compositeStatus(DOWNLOADED, new_quality)
+
             with cur_ep.lock:
                 result = cur_ep.get_sql()
                 if None is not result:
@@ -1355,6 +1365,8 @@ class TVShow(object):
         self.ids[old_indexer]['status'] = MapStatus.NONE
         self.ids[self.indexer]['status'] = MapStatus.SOURCE
         self.ids[self.indexer]['id'] = self.indexerid
+        if isinstance(self.imdb_info, dict):
+            self.imdb_info['indexer_id'] = self.indexerid
         save_mapping(self)
         name_cache.remove_from_namecache(old_indexerid)