diff --git a/Shoko.Server/API/v3/Controllers/ActionController.cs b/Shoko.Server/API/v3/Controllers/ActionController.cs
index 6b31cbf96..fb0bc0944 100644
--- a/Shoko.Server/API/v3/Controllers/ActionController.cs
+++ b/Shoko.Server/API/v3/Controllers/ActionController.cs
@@ -181,6 +181,17 @@ public ActionResult PurgeAllUnusedTmdbMovies()
         return Ok();
     }
 
+    /// <summary>
+    /// Purge all unused TMDB Movie Collections.
+    /// </summary>
+    /// <returns></returns>
+    [HttpGet("PurgeAllUnusedTmdbMovieCollections")]
+    public ActionResult PurgeAllUnusedTmdbMovieCollections()
+    {
+        Task.Factory.StartNew(() => _tmdbService.PurgeAllMovieCollections());
+        return Ok();
+    }
+
     /// <summary>
     /// Update all TMDB Shows in the local database.
     /// </summary>
@@ -213,6 +224,17 @@ public ActionResult PurgeAllUnusedTmdbShows()
         return Ok();
     }
 
+    /// <summary>
+    /// Purge all unused TMDB Show Alternate Orderings.
+    /// </summary>
+    /// <returns></returns>
+    [HttpGet("PurgeAllUnusedTmdbShowAlternateOrderings")]
+    public ActionResult PurgeAllUnusedTmdbShowAlternateOrderings()
+    {
+        Task.Factory.StartNew(() => _tmdbService.PurgeAllShowEpisodeGroups());
+        return Ok();
+    }
+
     /// <summary>
     /// Update all Trakt info. Right now, that's not much.
     /// </summary>
diff --git a/Shoko.Server/Providers/TMDB/TmdbMetadataService.cs b/Shoko.Server/Providers/TMDB/TmdbMetadataService.cs
index eb11cce51..10d62da0f 100644
--- a/Shoko.Server/Providers/TMDB/TmdbMetadataService.cs
+++ b/Shoko.Server/Providers/TMDB/TmdbMetadataService.cs
@@ -882,6 +882,21 @@ private void PurgeMovieCollection(int collectionId, bool removeImageFiles = true
         }
     }
 
+    public void PurgeAllMovieCollections(bool removeImageFiles = true)
+    {
+        var collections = _tmdbCollections.GetAll();
+        var collectionXRefs = _xrefTmdbCollectionMovies.GetAll();
+        var collectionIDs = new HashSet<int>([
+            ..collections.Select(x => x.TmdbCollectionID),
+            ..collectionXRefs.Select(x => x.TmdbCollectionID),
+        ]);
+
+        _logger.LogInformation("Removing {Count} movie collections to be purged.", collectionIDs.Count);
+
+        foreach (var collectionID in collectionIDs)
+            PurgeMovieCollection(collectionID, removeImageFiles);
+    }
+
     #endregion
 
     #endregion
@@ -1767,6 +1782,25 @@ private void PurgeShowEpisodeGroups(int showId)
         _tmdbAlternateOrdering.Delete(orderings);
     }
 
+    public void PurgeAllShowEpisodeGroups()
+    {
+        _logger.LogInformation("Purging all show episode groups.");
+
+        var episodes = _tmdbAlternateOrderingEpisodes.GetAll();
+        var seasons = _tmdbAlternateOrderingSeasons.GetAll();
+        var orderings = _tmdbAlternateOrdering.GetAll();
+        var shows = new HashSet<int>([
+            ..episodes.Select(e => e.TmdbShowID),
+            ..seasons.Select(s => s.TmdbShowID),
+            ..orderings.Select(o => o.TmdbShowID),
+        ]);
+
+        _logger.LogDebug("Removing {EpisodeCount} episodes and {SeasonCount} seasons across {OrderingCount} alternate orderings for {ShowCount} shows.", episodes.Count, seasons.Count, orderings.Count, shows.Count);
+        _tmdbAlternateOrderingEpisodes.Delete(episodes);
+        _tmdbAlternateOrderingSeasons.Delete(seasons);
+        _tmdbAlternateOrdering.Delete(orderings);
+    }
+
     #endregion
 
     #endregion