diff --git a/src/plex.py b/src/plex.py
index e1f1fc3..7f032f8 100644
--- a/src/plex.py
+++ b/src/plex.py
@@ -1,4 +1,4 @@
-import re, requests
+import re, requests, os
 from urllib3.poolmanager import PoolManager
 
 from plexapi.server import PlexServer
@@ -24,6 +24,52 @@ class HostNameIgnoringAdapter(requests.adapters.HTTPAdapter):
         )
 
 
+def get_user_library_watched_show(show):
+    try:
+        show_guids = {}
+        for show_guid in show.guids:
+            # Extract source and id from guid.id
+            m = re.match(r"(.*)://(.*)", show_guid.id)
+            show_guid_source, show_guid_id = m.group(1).lower(), m.group(2)
+            show_guids[show_guid_source] = show_guid_id
+
+        show_guids["title"] = show.title
+        show_guids["locations"] = tuple([x.split("/")[-1] for x in show.locations])
+        show_guids = frozenset(show_guids.items())
+
+        # Get all watched episodes for show
+        episode_guids = {}
+        watched_episodes = show.watched()
+        for episode in watched_episodes:
+            episode_guids_temp = {}
+            try:
+                if len(episode.guids) > 0:
+                    for guid in episode.guids:
+                        # Extract after :// from guid.id
+                        m = re.match(r"(.*)://(.*)", guid.id)
+                        guid_source, guid_id = m.group(1).lower(), m.group(2)
+                        episode_guids_temp[guid_source] = guid_id
+            except:
+                logger(
+                    f"Plex: Failed to get guids for {episode.title} in {show.title}, Using location only",
+                    4,
+                )
+
+            episode_guids_temp["locations"] = tuple(
+                [x.split("/")[-1] for x in episode.locations]
+            )
+
+            if episode.parentTitle not in episode_guids:
+                episode_guids[episode.parentTitle] = []
+
+            episode_guids[episode.parentTitle].append(episode_guids_temp)
+
+        return show_guids, episode_guids
+
+    except Exception as e:
+        return {}, {}
+
+
 def get_user_library_watched(user, user_plex, library):
     try:
         user_name = user.title.lower()
@@ -61,40 +107,17 @@ def get_user_library_watched(user, user_plex, library):
 
         elif library.type == "show":
             user_watched[user_name][library.title] = {}
+            shows = library_videos.search(unwatched=False)
 
-            for show in library_videos.search(unwatched=False):
-                logger(f"Plex: Adding {show.title} to {user_name} watched list", 3)
-                show_guids = {}
-                for show_guid in show.guids:
-                    # Extract source and id from guid.id
-                    m = re.match(r"(.*)://(.*)", show_guid.id)
-                    show_guid_source, show_guid_id = m.group(1).lower(), m.group(2)
-                    show_guids[show_guid_source] = show_guid_id
+            # Parallelize show processing
+            args = []
+            for show in shows:
+                args.append([get_user_library_watched_show, show])
 
-                show_guids["title"] = show.title
-                show_guids["locations"] = tuple(
-                    [x.split("/")[-1] for x in show.locations]
-                )
-                show_guids = frozenset(show_guids.items())
-
-                # Get all watched episodes for show
-                episode_guids = {}
-                for episode in show.watched():
-                    episode_guids_temp = {}
-                    for guid in episode.guids:
-                        # Extract after :// from guid.id
-                        m = re.match(r"(.*)://(.*)", guid.id)
-                        guid_source, guid_id = m.group(1).lower(), m.group(2)
-                        episode_guids_temp[guid_source] = guid_id
-
-                    episode_guids_temp["locations"] = tuple(
-                        [x.split("/")[-1] for x in episode.locations]
-                    )
-                    if episode.parentTitle not in episode_guids:
-                        episode_guids[episode.parentTitle] = []
-                    episode_guids[episode.parentTitle].append(episode_guids_temp)
-
-                if episode_guids:
+            for show_guids, episode_guids in future_thread_executor(
+                args, workers=min(os.cpu_count(), 4)
+            ):
+                if show_guids and episode_guids:
                     # append show, season, episode
                     if show_guids not in user_watched[user_name][library.title]:
                         user_watched[user_name][library.title][show_guids] = {}