diff --git a/jellyseerr-api.yml b/jellyseerr-api.yml
index ac5aaa26..86644b44 100644
--- a/jellyseerr-api.yml
+++ b/jellyseerr-api.yml
@@ -7273,6 +7273,26 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/Keyword'
+        '404':
+          description: Keyword not found
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  message:
+                    type: string
+                    example: 'Keyword not found'
+        '500':
+          description: Internal server error
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  message:
+                    type: string
+                    example: 'Unable to retrieve keyword data.'
   /watchproviders/regions:
     get:
       summary: Get watch provider regions
diff --git a/server/api/themoviedb/index.ts b/server/api/themoviedb/index.ts
index d55e3278..dcb94aec 100644
--- a/server/api/themoviedb/index.ts
+++ b/server/api/themoviedb/index.ts
@@ -1064,6 +1064,9 @@ class TheMovieDb extends ExternalAPI {
 
       return data;
     } catch (e) {
+      if (e.response?.status === 404) {
+        throw e;
+      }
       throw new Error(`[TMDB] Failed to fetch keyword: ${e.message}`);
     }
   }
diff --git a/server/job/blacklistedTagsProcessor.ts b/server/job/blacklistedTagsProcessor.ts
index eab46a1e..775cecce 100644
--- a/server/job/blacklistedTagsProcessor.ts
+++ b/server/job/blacklistedTagsProcessor.ts
@@ -72,6 +72,7 @@ class BlacklistedTagProcessor implements RunnableScanner<StatusBase> {
     const blacklistedTagsArr = blacklistedTags.split(',');
 
     const pageLimit = settings.main.blacklistedTagsLimit;
+    const invalidKeywords = new Set<string>();
 
     if (blacklistedTags.length === 0) {
       return;
@@ -87,6 +88,17 @@ class BlacklistedTagProcessor implements RunnableScanner<StatusBase> {
 
       // Iterate for each tag
       for (const tag of blacklistedTagsArr) {
+        try {
+          await tmdb.getKeywordDetails({ keywordId: Number(tag) });
+        } catch (error) {
+          logger.warn('Skipping invalid keyword in blacklisted tags', {
+            label: 'Blacklisted Tags Processor',
+            keywordId: tag,
+          });
+          invalidKeywords.add(tag);
+          continue;
+        }
+
         let queryMax = pageLimit * SortOptionsIterable.length;
         let fixedSortMode = false; // Set to true when the page limit allows for getting every page of tag
 
@@ -102,24 +114,51 @@ class BlacklistedTagProcessor implements RunnableScanner<StatusBase> {
             throw new AbortTransaction();
           }
 
-          const response = await getDiscover({
-            page,
-            sortBy,
-            keywords: tag,
-          });
-          await this.processResults(response, tag, type, em);
-          await new Promise((res) => setTimeout(res, TMDB_API_DELAY_MS));
+          try {
+            const response = await getDiscover({
+              page,
+              sortBy,
+              keywords: tag,
+            });
 
-          this.progress++;
-          if (page === 1 && response.total_pages <= queryMax) {
-            // We will finish the tag with less queries than expected, move progress accordingly
-            this.progress += queryMax - response.total_pages;
-            fixedSortMode = true;
-            queryMax = response.total_pages;
+            await this.processResults(response, tag, type, em);
+            await new Promise((res) => setTimeout(res, TMDB_API_DELAY_MS));
+
+            this.progress++;
+            if (page === 1 && response.total_pages <= queryMax) {
+              // We will finish the tag with less queries than expected, move progress accordingly
+              this.progress += queryMax - response.total_pages;
+              fixedSortMode = true;
+              queryMax = response.total_pages;
+            }
+          } catch (error) {
+            logger.error('Error processing keyword in blacklisted tags', {
+              label: 'Blacklisted Tags Processor',
+              keywordId: tag,
+              errorMessage: error.message,
+            });
           }
         }
       }
     }
+
+    if (invalidKeywords.size > 0) {
+      const currentTags = blacklistedTagsArr.filter(
+        (tag) => !invalidKeywords.has(tag)
+      );
+      const cleanedTags = currentTags.join(',');
+
+      if (cleanedTags !== blacklistedTags) {
+        settings.main.blacklistedTags = cleanedTags;
+        await settings.save();
+
+        logger.info('Cleaned up invalid keywords from settings', {
+          label: 'Blacklisted Tags Processor',
+          removedKeywords: Array.from(invalidKeywords),
+          newBlacklistedTags: cleanedTags,
+        });
+      }
+    }
   }
 
   private async processResults(
diff --git a/server/routes/index.ts b/server/routes/index.ts
index b2842139..dedc7b68 100644
--- a/server/routes/index.ts
+++ b/server/routes/index.ts
@@ -330,6 +330,10 @@ router.get('/keyword/:keywordId', async (req, res, next) => {
 
     return res.status(200).json(result);
   } catch (e) {
+    if (e.response?.status === 404) {
+      return res.status(404).json({ message: 'Keyword not found' });
+    }
+
     logger.debug('Something went wrong retrieving keyword data', {
       label: 'API',
       errorMessage: e.message,
diff --git a/src/components/BlacklistedTagsBadge/index.tsx b/src/components/BlacklistedTagsBadge/index.tsx
index eb1c9a47..b57f5df5 100644
--- a/src/components/BlacklistedTagsBadge/index.tsx
+++ b/src/components/BlacklistedTagsBadge/index.tsx
@@ -35,11 +35,15 @@ const BlacklistedTagsBadge = ({ data }: BlacklistedTagsBadgeProps) => {
           );
           return data.name;
         } catch (err) {
+          if (err.response?.status === 404) {
+            return `[Invalid: ${keywordId}]`;
+          }
           return '';
         }
       })
     ).then((keywords) => {
-      setTagNamesBlacklistedFor(keywords.join(', '));
+      const validKeywords = keywords.filter((name) => name !== '');
+      setTagNamesBlacklistedFor(validKeywords.join(', '));
     });
   }, [data.blacklistedTags]);
 
diff --git a/src/components/BlacklistedTagsSelector/index.tsx b/src/components/BlacklistedTagsSelector/index.tsx
index b83691ef..74890a33 100644
--- a/src/components/BlacklistedTagsSelector/index.tsx
+++ b/src/components/BlacklistedTagsSelector/index.tsx
@@ -124,17 +124,23 @@ const ControlledKeywordSelector = ({
 
       const keywords = await Promise.all(
         defaultValue.split(',').map(async (keywordId) => {
-          const { data } = await axios.get<Keyword>(
-            `/api/v1/keyword/${keywordId}`
-          );
-          return data;
+          try {
+            const { data } = await axios.get<Keyword>(
+              `/api/v1/keyword/${keywordId}`
+            );
+            return data;
+          } catch (error) {
+            return null;
+          }
         })
       );
 
+      const validKeywords = keywords.filter((keyword) => keyword !== null);
+
       onChange(
-        keywords.map((keyword) => ({
-          label: keyword.name,
-          value: keyword.id,
+        validKeywords.map((keyword) => ({
+          label: keyword!.name,
+          value: keyword!.id,
         }))
       );
     };