diff --git a/src/ffx/ffx.py b/src/ffx/ffx.py
index d4fb2f6..01c082d 100755
--- a/src/ffx/ffx.py
+++ b/src/ffx/ffx.py
@@ -653,7 +653,7 @@ def convert(ctx,
             ctx.obj['logger'].debug(f"tmdbEpisodeResult={tmdbEpisodeResult}")
 
             if tmdbEpisodeResult:
-                substitutedEpisodeName = substituteTmdbFilename(filterFilename(tmdbEpisodeResult['name']))
+                substitutedEpisodeName = filterFilename(substituteTmdbFilename(tmdbEpisodeResult['name']))
                 sourceFileBasename = getEpisodeFileBasename(showFilenamePrefix,
                                                         substitutedEpisodeName,
                                                         shiftedShowSeason,
diff --git a/src/ffx/helper.py b/src/ffx/helper.py
index 155e101..b6828ce 100644
--- a/src/ffx/helper.py
+++ b/src/ffx/helper.py
@@ -78,6 +78,7 @@ def filterFilename(fileName: str) -> str:
     """This filter replaces charactes from TMDB responses with characters
     less problemating when using in filenames or removes them"""
 
+    fileName = str(fileName).replace('/', '-')
     fileName = str(fileName).replace(':', ';')
     fileName = str(fileName).replace('*', '')
     fileName = str(fileName).replace("'", '')
@@ -86,17 +87,20 @@ def filterFilename(fileName: str) -> str:
     return fileName.strip()
 
 def substituteTmdbFilename(fileName: str) -> str:
+    """If chaining this method with filterFilename use this one first as the latter will destroy some patterns"""
 
-    # This appears in TMDB episode names
+    # This indicates filler episodes in TMDB episode names
     fileName = str(fileName).replace(' (*)', '')
     fileName = str(fileName).replace('(*)', '')
 
+    # This indicates the index of multi-episode files
     episodePartMatch = re.search("\\(([0-9]+)\\)$", fileName)
     if episodePartMatch is not None:
         partSuffix = str(episodePartMatch.group(0))
         partIndex = episodePartMatch.groups()[0]
         fileName = str(fileName).replace(partSuffix, f"Teil {partIndex}")
 
+    # Also multi-episodes with first and last episode index
     episodePartMatch = re.search("\\(([0-9]+)[-\\/]([0-9]+)\\)$", fileName)
     if episodePartMatch is not None:
         partSuffix = str(episodePartMatch.group(0))