diff --git a/lib/plexapi/base.py b/lib/plexapi/base.py
index cfe82050..e80b540f 100644
--- a/lib/plexapi/base.py
+++ b/lib/plexapi/base.py
@@ -31,7 +31,7 @@ OPERATORS = {
 }
 
 
-class PlexObject(object):
+class PlexObject:
     """ Base class for all Plex objects.
 
         Parameters:
@@ -50,12 +50,12 @@ class PlexObject(object):
         self._initpath = initpath or self.key
         self._parent = weakref.ref(parent) if parent is not None else None
         self._details_key = None
+        self._overwriteNone = True  # Allow overwriting previous attribute values with `None` when manually reloading
+        self._autoReload = True  # Automatically reload the object when accessing a missing attribute
+        self._edits = None  # Save batch edits for a single API call
         if data is not None:
             self._loadData(data)
         self._details_key = self._buildDetailsKey()
-        self._overwriteNone = True
-        self._edits = None  # Save batch edits for a single API call
-        self._autoReload = True  # Automatically reload the object when accessing a missing attribute
 
     def __repr__(self):
         uid = self._clean(self.firstAttr('_baseurl', 'key', 'id', 'playQueueID', 'uri'))
@@ -649,7 +649,7 @@ class PlexPartialObject(PlexObject):
         return self._getWebURL(base=base)
 
 
-class Playable(object):
+class Playable:
     """ This is a general place to store functions specific to media that is Playable.
         Things were getting mixed up a bit when dealing with Shows, Season, Artists,
         Albums which are all not playable.
diff --git a/lib/plexapi/const.py b/lib/plexapi/const.py
index 3d1860fc..250389fb 100644
--- a/lib/plexapi/const.py
+++ b/lib/plexapi/const.py
@@ -4,6 +4,6 @@
 # Library version
 MAJOR_VERSION = 4
 MINOR_VERSION = 11
-PATCH_VERSION = 1
+PATCH_VERSION = 2
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
diff --git a/lib/plexapi/mixins.py b/lib/plexapi/mixins.py
index 906ab81d..4a6e1f0c 100644
--- a/lib/plexapi/mixins.py
+++ b/lib/plexapi/mixins.py
@@ -8,7 +8,7 @@ from plexapi.exceptions import BadRequest, NotFound
 from plexapi.utils import deprecated
 
 
-class AdvancedSettingsMixin(object):
+class AdvancedSettingsMixin:
     """ Mixin for Plex objects that can have advanced settings. """
 
     def preferences(self):
@@ -60,7 +60,7 @@ class AdvancedSettingsMixin(object):
         self._server.query(url, method=self._server._session.put)
 
 
-class SmartFilterMixin(object):
+class SmartFilterMixin:
     """ Mixing for Plex objects that can have smart filters. """
 
     def _parseFilters(self, content):
@@ -120,7 +120,7 @@ class SmartFilterMixin(object):
         return {filterOp: rules}
 
 
-class SplitMergeMixin(object):
+class SplitMergeMixin:
     """ Mixin for Plex objects that can be split and merged. """
 
     def split(self):
@@ -141,7 +141,7 @@ class SplitMergeMixin(object):
         return self._server.query(key, method=self._server._session.put)
 
 
-class UnmatchMatchMixin(object):
+class UnmatchMatchMixin:
     """ Mixin for Plex objects that can be unmatched and matched. """
 
     def unmatch(self):
@@ -234,7 +234,7 @@ class UnmatchMatchMixin(object):
         self._server.query(data, method=self._server._session.put)
 
 
-class ExtrasMixin(object):
+class ExtrasMixin:
     """ Mixin for Plex objects that can have extras. """
 
     def extras(self):
@@ -244,7 +244,7 @@ class ExtrasMixin(object):
         return self.findItems(data, Extra, rtag='Extras')
 
 
-class HubsMixin(object):
+class HubsMixin:
     """ Mixin for Plex objects that can have related hubs. """
 
     def hubs(self):
@@ -254,7 +254,7 @@ class HubsMixin(object):
         return self.findItems(data, Hub, rtag='Related')
 
 
-class RatingMixin(object):
+class RatingMixin:
     """ Mixin for Plex objects that can have user star ratings. """
 
     def rate(self, rating=None):
@@ -274,7 +274,7 @@ class RatingMixin(object):
         self._server.query(key, method=self._server._session.put)
 
 
-class ArtUrlMixin(object):
+class ArtUrlMixin:
     """ Mixin for Plex objects that can have a background artwork url. """
     
     @property
@@ -323,7 +323,7 @@ class ArtMixin(ArtUrlMixin):
         return self._edit(**{'art.locked': 0})
 
 
-class BannerUrlMixin(object):
+class BannerUrlMixin:
     """ Mixin for Plex objects that can have a banner url. """
 
     @property
@@ -372,7 +372,7 @@ class BannerMixin(BannerUrlMixin):
         return self._edit(**{'banner.locked': 0})
 
 
-class PosterUrlMixin(object):
+class PosterUrlMixin:
     """ Mixin for Plex objects that can have a poster url. """
 
     @property
@@ -426,7 +426,7 @@ class PosterMixin(PosterUrlMixin):
         return self._edit(**{'thumb.locked': 0})
 
 
-class ThemeUrlMixin(object):
+class ThemeUrlMixin:
     """ Mixin for Plex objects that can have a theme url. """
 
     @property
@@ -475,7 +475,7 @@ class ThemeMixin(ThemeUrlMixin):
         self._edit(**{'theme.locked': 0})
 
 
-class EditFieldMixin(object):
+class EditFieldMixin:
     """ Mixin for editing Plex object fields. """
     
     def editField(self, field, value, locked=True, **kwargs):
@@ -667,7 +667,7 @@ class PhotoCapturedTimeMixin(EditFieldMixin):
         return self.editField('originallyAvailableAt', capturedTime, locked=locked)
 
 
-class EditTagsMixin(object):
+class EditTagsMixin:
     """ Mixin for editing Plex object tags. """
 
     @deprecated('use "editTags" instead')
@@ -986,7 +986,7 @@ class WriterMixin(EditTagsMixin):
         return self.editTags('writer', writers, locked=locked, remove=True)
 
 
-class WatchlistMixin(object):
+class WatchlistMixin:
     """ Mixin for Plex objects that can be added to a user's watchlist. """
 
     def onWatchlist(self, account=None):
diff --git a/lib/plexapi/myplex.py b/lib/plexapi/myplex.py
index a05a74bd..b7e72d0f 100644
--- a/lib/plexapi/myplex.py
+++ b/lib/plexapi/myplex.py
@@ -1333,7 +1333,7 @@ class MyPlexDevice(PlexObject):
         return self._server.syncItems(client=self)
 
 
-class MyPlexPinLogin(object):
+class MyPlexPinLogin:
     """
         MyPlex PIN login class which supports getting the four character PIN which the user must
         enter on https://plex.tv/link to authenticate the client and provide an access token to
diff --git a/lib/plexapi/sync.py b/lib/plexapi/sync.py
index 53dc0636..0a02f4e9 100644
--- a/lib/plexapi/sync.py
+++ b/lib/plexapi/sync.py
@@ -130,7 +130,7 @@ class SyncList(PlexObject):
                 self.items.append(item)
 
 
-class Status(object):
+class Status:
     """ Represents a current status of specific :class:`~plexapi.sync.SyncItem`.
 
         Attributes:
@@ -168,7 +168,7 @@ class Status(object):
         ))
 
 
-class MediaSettings(object):
+class MediaSettings:
     """ Transcoding settings used for all media within :class:`~plexapi.sync.SyncItem`.
 
         Attributes:
@@ -239,7 +239,7 @@ class MediaSettings(object):
             raise BadRequest('Unexpected photo quality')
 
 
-class Policy(object):
+class Policy:
     """ Policy of syncing the media (how many items to sync and process watched media or not).
 
         Attributes:
diff --git a/lib/plexapi/video.py b/lib/plexapi/video.py
index 1604fef3..95f8336d 100644
--- a/lib/plexapi/video.py
+++ b/lib/plexapi/video.py
@@ -702,7 +702,7 @@ class Season(
 
     def show(self):
         """ Return the season's :class:`~plexapi.video.Show`. """
-        return self.fetchItem(self.parentRatingKey)
+        return self.fetchItem(self.parentKey)
 
     def watched(self):
         """ Returns list of watched :class:`~plexapi.video.Episode` objects. """
@@ -872,7 +872,7 @@ class Episode(
     def seasonNumber(self):
         """ Returns the episode's season number. """
         if self._seasonNumber is None:
-            self._seasonNumber = self.parentIndex if self.parentIndex else self.season().seasonNumber
+            self._seasonNumber = self.parentIndex if isinstance(self.parentIndex, int) else self.season().seasonNumber
         return utils.cast(int, self._seasonNumber)
 
     @property
@@ -901,7 +901,7 @@ class Episode(
 
     def show(self):
         """" Return the episode's :class:`~plexapi.video.Show`. """
-        return self.fetchItem(self.grandparentRatingKey)
+        return self.fetchItem(self.grandparentKey)
 
     def _defaultSyncTitle(self):
         """ Returns str, default title for a new syncItem. """
diff --git a/requirements.txt b/requirements.txt
index 7031b33e..fe7156aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ MarkupSafe==2.1.1
 musicbrainzngs==0.7.1
 packaging==21.3
 paho-mqtt==1.6.1
-plexapi==4.11.1
+plexapi==4.11.2
 portend==3.1.0
 profilehooks==1.12.0
 PyJWT==2.4.0