diff --git a/lib/svtplay_dl/service/barnkanalen.py b/lib/svtplay_dl/service/barnkanalen.py
index c4dbf2f..e5692cb 100644
--- a/lib/svtplay_dl/service/barnkanalen.py
+++ b/lib/svtplay_dl/service/barnkanalen.py
@@ -74,15 +74,16 @@ class Barnkanalen(Svtplay):
         yield from self._get_video(janson)
 
     def find_all_episodes(self, config):
+        episodes = []
         data = self.get_urldata()
         match = re.search(self.info_search_expr, data)
         if not match:
             logging.error("Can't find video info.")
-            return
+            return episodes
 
         janson = json.loads(match.group(1))
         title = janson["query"]["titleSlug"]
-        episodes = []
+
         for season in janson["props"]["pageProps"]["initialState"]["featuredTitle"]["associatedContent"]:
             for episode in season["items"]:
                 if "variants" in episode["item"]:
diff --git a/lib/svtplay_dl/service/dplay.py b/lib/svtplay_dl/service/dplay.py
index 7d74296..d555692 100644
--- a/lib/svtplay_dl/service/dplay.py
+++ b/lib/svtplay_dl/service/dplay.py
@@ -9,4 +9,3 @@ class Discoveryplus(Service):
 
     def get(self):
         yield ServiceError("Can't download videos from this site anymore because of DRM")
-        return
diff --git a/lib/svtplay_dl/service/mtvnn.py b/lib/svtplay_dl/service/mtvnn.py
index 315b788..f9dc6ce 100644
--- a/lib/svtplay_dl/service/mtvnn.py
+++ b/lib/svtplay_dl/service/mtvnn.py
@@ -89,19 +89,20 @@ class Mtvnn(Service, OpenGraphThumbMixin):
                     yield from hlsparse(self.config, self.http.request("get", i["url"]), i["url"], output=self.output)
 
     def find_all_episodes(self, config):
+        episodes = []
         match = re.search(r"data-franchise='([^']+)'", self.get_urldata())
         if match is None:
             logging.error("Couldn't program id")
-            return
+            return episodes
         programid = match.group(1)
         match = re.findall(r"<li class='([a-z]+ )?playlist-item( [a-z]+)*?'( data-[-a-z]+='[^']+')* data-item-id='([^']+)'", self.get_urldata())
         if not match:
             logging.error("Couldn't retrieve episode list")
-            return
+            return episodes
         episodNr = []
         for i in match:
             episodNr.append(i[3])
-        episodes = []
+
         n = 0
         for i in sorted(episodNr):
             if n == config.get("all_last"):
diff --git a/lib/svtplay_dl/service/oppetarkiv.py b/lib/svtplay_dl/service/oppetarkiv.py
index 819ffb1..263e049 100644
--- a/lib/svtplay_dl/service/oppetarkiv.py
+++ b/lib/svtplay_dl/service/oppetarkiv.py
@@ -71,6 +71,7 @@ class OppetArkiv(Service, OpenGraphThumbMixin):
         return None
 
     def find_all_episodes(self, config):
+        episodes = []
         page = 1
         data = self.get_urldata()
         match = re.search(r'"/etikett/titel/([^"/]+)', data)
@@ -78,9 +79,8 @@ class OppetArkiv(Service, OpenGraphThumbMixin):
             match = re.search(r'"http://www.oppetarkiv.se/etikett/titel/([^/]+)/', self.url)
             if match is None:
                 logging.error("Couldn't find title")
-                return
+                return episodes
         program = match.group(1)
-        episodes = []
 
         n = 0
         if self.config.get("all_last") > 0:
@@ -111,7 +111,7 @@ class OppetArkiv(Service, OpenGraphThumbMixin):
 
         datatitle = re.search('data-title="([^"]+)"', self.get_urldata())
         if not datatitle:
-            return None
+            return
         datat = decode_html_entities(datatitle.group(1))
         self.output["title"] = self.name(datat)
         self.seasoninfo(datat)
diff --git a/lib/svtplay_dl/service/svtplay.py b/lib/svtplay_dl/service/svtplay.py
index 0643048..5c68b4c 100644
--- a/lib/svtplay_dl/service/svtplay.py
+++ b/lib/svtplay_dl/service/svtplay.py
@@ -119,7 +119,7 @@ class Svtplay(Service, MetadataThumbMixin):
         match = re.search(self.info_search_expr, self.get_urldata())
         if not match:
             logging.error("Can't find video info.")
-            return
+            return videos
         janson = json.loads(match.group(1))
         video_data = None
         for data_entry in janson["props"]["urqlState"].values():
@@ -172,6 +172,7 @@ class Svtplay(Service, MetadataThumbMixin):
     def _all_episodes(self, url):
         parse = urlparse(url)
         tab = None
+        videos = []
         if parse.query:
             query = parse_qs(parse.query)
             if "tab" in query:
@@ -181,7 +182,7 @@ class Svtplay(Service, MetadataThumbMixin):
         match = re.search(self.info_search_expr, data)
         if not match:
             logging.error("Can't find video info.")
-            return
+            return videos
 
         janson = json.loads(match.group(1))
         video_data = None
@@ -195,9 +196,8 @@ class Svtplay(Service, MetadataThumbMixin):
                         break
 
         collections = []
-        videos = []
         if video_data is None:
-            return
+            return videos
         if video_data["item"]["parent"]["__typename"] == "Single":
             videos.append(urljoin("http://www.svtplay.se", video_data["item"]["urls"]["svtplay"]))
         for i in video_data["associatedContent"]:
diff --git a/lib/svtplay_dl/service/urplay.py b/lib/svtplay_dl/service/urplay.py
index 71197f0..7019e2c 100644
--- a/lib/svtplay_dl/service/urplay.py
+++ b/lib/svtplay_dl/service/urplay.py
@@ -59,7 +59,7 @@ class Urplay(Service, OpenGraphThumbMixin):
         match = re.search(r"__NEXT_DATA__\" type=\"application\/json\">({.+})<\/script>", self.get_urldata())
         if not match:
             logging.error("Can't find video info.")
-            return
+            return episodes
 
         data = unescape(match.group(1))
         jsondata = json.loads(data)
diff --git a/lib/svtplay_dl/service/viaplay.py b/lib/svtplay_dl/service/viaplay.py
index ea9c03c..6e490a9 100644
--- a/lib/svtplay_dl/service/viaplay.py
+++ b/lib/svtplay_dl/service/viaplay.py
@@ -125,7 +125,7 @@ class Viafree(Service, OpenGraphThumbMixin):
         match = re.search('}}}},("staticPages".*}}); windo', data)
         if not match:
             logging.error("Cant find necessary info")
-            return
+            return episodes
 
         janson = self._jansonpage(match.group(1))
         seasons = []
@@ -136,7 +136,7 @@ class Viafree(Service, OpenGraphThumbMixin):
             match = re.search('}}}},("staticPages".*}}); windo', data)
             if not match:
                 logging.error("Cant find necessary info")
-                return
+                return episodes
 
             janson = self._jansonpage(match.group(1))
 
diff --git a/lib/svtplay_dl/utils/parser.py b/lib/svtplay_dl/utils/parser.py
index 5770602..68e5062 100644
--- a/lib/svtplay_dl/utils/parser.py
+++ b/lib/svtplay_dl/utils/parser.py
@@ -45,6 +45,7 @@ class Options:
     def get(self, key):
         if key in self.default:
             return self.default[key]
+        return None
 
     def get_variable(self):
         return self.default