diff --git a/src/Jackett.Common/Indexers/Definitions/BroadcasTheNet.cs b/src/Jackett.Common/Indexers/Definitions/BroadcasTheNet.cs
index 2c7723841..a59786ec6 100644
--- a/src/Jackett.Common/Indexers/Definitions/BroadcasTheNet.cs
+++ b/src/Jackett.Common/Indexers/Definitions/BroadcasTheNet.cs
@@ -168,7 +168,7 @@ namespace Jackett.Common.Indexers.Definitions
             else if (DateTime.TryParseExact($"{query.Season} {query.Episode}", "yyyy MM/dd", CultureInfo.InvariantCulture, DateTimeStyles.None, out var showDate))
             {
                 // Daily Episode
-                parameters.Name = showDate.ToString("yyyy.MM.dd");
+                parameters.Name = showDate.ToString("yyyy.MM.dd", CultureInfo.InvariantCulture);
                 parameters.Category = "Episode";
                 pageableRequests.Add(GetPagedRequests(parameters, btnResults, btnOffset));
             }
diff --git a/src/Jackett.Common/Indexers/Definitions/NebulanceAPI.cs b/src/Jackett.Common/Indexers/Definitions/NebulanceAPI.cs
index 86fe80317..73556aa5f 100644
--- a/src/Jackett.Common/Indexers/Definitions/NebulanceAPI.cs
+++ b/src/Jackett.Common/Indexers/Definitions/NebulanceAPI.cs
@@ -95,7 +95,7 @@ namespace Jackett.Common.Indexers.Definitions
 
         public override IIndexerRequestGenerator GetRequestGenerator()
         {
-            return new NebulanceAPIRequestGenerator(TorznabCaps, configData, SiteLink);
+            return new NebulanceAPIRequestGenerator(TorznabCaps, configData, SiteLink, logger);
         }
 
         public override IParseIndexerResponse GetParser()
@@ -140,12 +140,14 @@ namespace Jackett.Common.Indexers.Definitions
         private readonly TorznabCapabilities _torznabCaps;
         private readonly ConfigurationDataAPIKey _configData;
         private readonly string _siteLink;
+        private readonly Logger _logger;
 
-        public NebulanceAPIRequestGenerator(TorznabCapabilities torznabCaps, ConfigurationDataAPIKey configData, string siteLink)
+        public NebulanceAPIRequestGenerator(TorznabCapabilities torznabCaps, ConfigurationDataAPIKey configData, string siteLink, Logger logger)
         {
             _torznabCaps = torznabCaps;
             _configData = configData;
             _siteLink = siteLink;
+            _logger = logger;
         }
 
         public IndexerPageableRequestChain GetSearchRequests(TorznabQuery query)
@@ -183,9 +185,9 @@ namespace Jackett.Common.Indexers.Definitions
             }
             else
             {
-                if (query.Season > 0)
+                if (query.Season.HasValue)
                 {
-                    queryParams.Season = query.Season;
+                    queryParams.Season = query.Season.Value;
                 }
 
                 if (query.Episode.IsNotNullOrWhiteSpace() && int.TryParse(query.Episode, out var episodeNumber))
@@ -194,6 +196,16 @@ namespace Jackett.Common.Indexers.Definitions
                 }
             }
 
+            if ((queryParams.Season.HasValue || queryParams.Episode.HasValue) &&
+                queryParams.Name.IsNullOrWhiteSpace() &&
+                queryParams.Release.IsNullOrWhiteSpace() &&
+                !queryParams.TvMaze.HasValue)
+            {
+                _logger.Debug("NBL API does not support season calls without name, series, id, imdb, tvmaze, or time keys.");
+
+                return new IndexerPageableRequestChain();
+            }
+
             pageableRequests.Add(GetPagedRequests(queryParams, limit, offset));
 
             return pageableRequests;
diff --git a/src/Jackett.Common/Indexers/Definitions/Wolfmax4K.cs b/src/Jackett.Common/Indexers/Definitions/Wolfmax4K.cs
index a022ce89c..aa1213c82 100644
--- a/src/Jackett.Common/Indexers/Definitions/Wolfmax4K.cs
+++ b/src/Jackett.Common/Indexers/Definitions/Wolfmax4K.cs
@@ -288,7 +288,7 @@ namespace Jackett.Common.Indexers.Definitions
             }
 
             // Filter by Season
-            if (query.Season != 0 && !releaseInfo.Title.Contains("S" + query.Season.ToString("D2")))
+            if (query.Season.HasValue && !releaseInfo.Title.Contains("S" + query.Season.Value.ToString("D2")))
             {
                 return null;
             }
diff --git a/src/Jackett.Common/Models/TorznabQuery.cs b/src/Jackett.Common/Models/TorznabQuery.cs
index aed9007b8..10c692fb7 100644
--- a/src/Jackett.Common/Models/TorznabQuery.cs
+++ b/src/Jackett.Common/Models/TorznabQuery.cs
@@ -31,7 +31,7 @@ namespace Jackett.Common.Models
         [JsonIgnore]
         public bool Cache { get; set; } = true;
 
-        public int Season { get; set; }
+        public int? Season { get; set; }
         public string Episode { get; set; }
         public string SearchTerm { get; set; }
 
@@ -227,7 +227,9 @@ namespace Jackett.Common.Models
                 if (limit != null && limit > 0)
                 {
                     if (limit > queryString.Length)
+                    {
                         limit = queryString.Length;
+                    }
 
                     queryString = queryString.Substring(0, (int)limit);
                 }
@@ -243,14 +245,20 @@ namespace Jackett.Common.Models
 
         public string GetEpisodeSearchString()
         {
-            if (Season == 0)
+            if (Season == null || Season == 0)
+            {
                 return string.Empty;
+            }
 
             string episodeString;
             if (DateTime.TryParseExact($"{Season} {Episode}", "yyyy MM/dd", CultureInfo.InvariantCulture, DateTimeStyles.None, out var showDate))
-                episodeString = showDate.ToString("yyyy.MM.dd");
-            else if (string.IsNullOrEmpty(Episode))
+            {
+                episodeString = showDate.ToString("yyyy.MM.dd", CultureInfo.InvariantCulture);
+            }
+            else if (Episode.IsNullOrWhiteSpace())
+            {
                 episodeString = $"S{Season:00}";
+            }
             else
             {
                 try
@@ -261,8 +269,8 @@ namespace Jackett.Common.Models
                 {
                     episodeString = $"S{Season:00}E{Episode}";
                 }
-
             }
+
             return episodeString;
         }
     }