diff --git a/frontend/src/functions/APIClient.ts b/frontend/src/functions/APIClient.ts
index c01ba8b8..2c4a4110 100644
--- a/frontend/src/functions/APIClient.ts
+++ b/frontend/src/functions/APIClient.ts
@@ -55,6 +55,13 @@ const APIClient = async (
     throw new Error('Forbidden: Access denied.');
   }
 
+  if (response.status === 404) {
+    throw {
+      status: 404,
+      message: 'Resource not found',
+    } as ApiError;
+  }
+
   let data;
 
   // expected empty response
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 4fc91d7a..e7dce8bc 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -27,6 +27,7 @@ import ChannelAbout from './pages/ChannelAbout';
 import Download from './pages/Download';
 import loadUserAccount from './api/loader/loadUserAccount';
 import loadAppsettingsConfig from './api/loader/loadAppsettingsConfig';
+import NotFound from './pages/404Page';
 
 const router = createBrowserRouter(
   [
@@ -145,6 +146,10 @@ const router = createBrowserRouter(
       element: <Login />,
       errorElement: <ErrorPage />,
     },
+    {
+      path: '*',
+      element: <NotFound />,
+    },
   ],
   { basename: import.meta.env.BASE_URL },
 );
diff --git a/frontend/src/pages/404Page.tsx b/frontend/src/pages/404Page.tsx
new file mode 100644
index 00000000..1b75f7ab
--- /dev/null
+++ b/frontend/src/pages/404Page.tsx
@@ -0,0 +1,22 @@
+import { Link } from 'react-router-dom';
+import useColours from '../configuration/colours/useColours';
+import Routes from '../configuration/routes/RouteList';
+
+const NotFound = ({ failType = 'page' }) => {
+  useColours();
+  return (
+    <>
+      <title>404 | Not found</title>
+      <div id="error-page" style={{ margin: '10%' }}>
+        <h1>Oops!</h1>
+        <p>
+          <i>404</i>
+          <span>: That {failType} does not exist.</span>
+        </p>
+        <Link to={Routes.Home}>Go Home</Link>
+      </div>
+    </>
+  );
+};
+
+export default NotFound;
diff --git a/frontend/src/pages/ChannelBase.tsx b/frontend/src/pages/ChannelBase.tsx
index 2da7c552..cb63e0e7 100644
--- a/frontend/src/pages/ChannelBase.tsx
+++ b/frontend/src/pages/ChannelBase.tsx
@@ -8,6 +8,8 @@ import ChannelBanner from '../components/ChannelBanner';
 import loadChannelNav, { ChannelNavResponseType } from '../api/loader/loadChannelNav';
 import loadChannelById from '../api/loader/loadChannelById';
 import useIsAdmin from '../functions/useIsAdmin';
+import { ApiError } from '../functions/APIClient';
+import NotFound from './404Page';
 
 type ChannelParams = {
   channelId: string;
@@ -18,6 +20,7 @@ export type ChannelResponseType = ChannelType;
 const ChannelBase = () => {
   const { channelId } = useParams() as ChannelParams;
   const { currentPage, setCurrentPage } = useOutletContext() as OutletContextType;
+  const [error, setError] = useState<ApiError | null>(null);
   const isAdmin = useIsAdmin();
 
   const [channelResponse, setChannelResponse] = useState<ChannelResponseType>();
@@ -29,14 +32,24 @@ const ChannelBase = () => {
 
   useEffect(() => {
     (async () => {
+      setError(null);
+      try {
+        const channelResponse = await loadChannelById(channelId);
+        setChannelResponse(channelResponse);
+      } catch (err) {
+        if ((err as ApiError).status === 404) {
+          setError(err as ApiError);
+        } else {
+          console.error('Failed to fetch item:', err);
+        }
+      }
       const channelNavResponse = await loadChannelNav(channelId);
-      const channelResponse = await loadChannelById(channelId);
-
-      setChannelResponse(channelResponse);
       setChannelNav(channelNavResponse);
     })();
   }, [channelId]);
 
+  if (error) return <NotFound failType="channel" />;
+
   if (!channelId) {
     return [];
   }
diff --git a/frontend/src/pages/Playlist.tsx b/frontend/src/pages/Playlist.tsx
index 0ee310e8..6af665ec 100644
--- a/frontend/src/pages/Playlist.tsx
+++ b/frontend/src/pages/Playlist.tsx
@@ -23,6 +23,8 @@ import Button from '../components/Button';
 import loadVideoListByFilter from '../api/loader/loadVideoListByPage';
 import useIsAdmin from '../functions/useIsAdmin';
 import { useUserConfigStore } from '../stores/UserConfigStore';
+import { ApiError } from '../functions/APIClient';
+import NotFound from './404Page';
 
 export type VideoResponseType = {
   data?: VideoType[];
@@ -31,6 +33,7 @@ export type VideoResponseType = {
 
 const Playlist = () => {
   const { playlistId } = useParams();
+  const [error, setError] = useState<ApiError | null>(null);
   const navigate = useNavigate();
   const [searchParams] = useSearchParams();
   const videoId = searchParams.get('videoId');
@@ -66,22 +69,28 @@ const Playlist = () => {
 
   useEffect(() => {
     (async () => {
-      const playlist = await loadPlaylistById(playlistId);
-      const video = await loadVideoListByFilter({
-        playlist: playlistId,
-        page: currentPage,
-        watch: hideWatched ? 'unwatched' : undefined,
-      });
-
-      const isCustomPlaylist = playlist?.playlist_type === 'custom';
-      if (!isCustomPlaylist) {
-        const channel = await loadChannelById(playlist.playlist_channel_id);
-
-        setChannelResponse(channel);
+      setError(null);
+      try {
+        const playlist = await loadPlaylistById(playlistId);
+        const video = await loadVideoListByFilter({
+          playlist: playlistId,
+          page: currentPage,
+          watch: hideWatched ? 'unwatched' : undefined,
+        });
+        setPlaylistResponse(playlist);
+        setVideoResponse(video);
+        const isCustomPlaylist = playlist?.playlist_type === 'custom';
+        if (!isCustomPlaylist) {
+          const channel = await loadChannelById(playlist.playlist_channel_id);
+          setChannelResponse(channel);
+        }
+      } catch (err) {
+        if ((err as ApiError).status === 404) {
+          setError(err as ApiError);
+        } else {
+          console.error('Failed to fetch item:', err);
+        }
       }
-
-      setPlaylistResponse(playlist);
-      setVideoResponse(video);
       setRefresh(false);
     })();
     // eslint-disable-next-line react-hooks/exhaustive-deps
@@ -94,9 +103,9 @@ const Playlist = () => {
     videoId,
   ]);
 
-  if (!playlistId || !playlist) {
-    return `Playlist ${playlistId} not found!`;
-  }
+  if (error) return <NotFound failType="playlist" />;
+
+  if (!playlist || !playlistId) return [];
 
   const isCustomPlaylist = playlist.playlist_type === 'custom';
 
diff --git a/frontend/src/pages/Video.tsx b/frontend/src/pages/Video.tsx
index ba659e32..127c23eb 100644
--- a/frontend/src/pages/Video.tsx
+++ b/frontend/src/pages/Video.tsx
@@ -43,6 +43,8 @@ import { useAppSettingsStore } from '../stores/AppSettingsStore';
 import updateDownloadQueueStatusById from '../api/actions/updateDownloadQueueStatusById';
 import { FileSizeUnits } from '../api/actions/updateUserConfig';
 import { useUserConfigStore } from '../stores/UserConfigStore';
+import { ApiError } from '../functions/APIClient';
+import NotFound from './404Page';
 
 const isInPlaylist = (videoId: string, playlist: PlaylistType) => {
   return playlist.playlist_entries.some(entry => {
@@ -116,6 +118,7 @@ const Video = () => {
   const { appSettingsConfig } = useAppSettingsStore();
   const { userConfig } = useUserConfigStore();
 
+  const [error, setError] = useState<ApiError | null>(null);
   const [videoEnded, setVideoEnded] = useState(false);
   const [playlistAutoplay, setPlaylistAutoplay] = useState(
     localStorage.getItem('playlistAutoplay') === 'true',
@@ -138,7 +141,18 @@ const Video = () => {
   useEffect(() => {
     (async () => {
       if (refreshVideoList || videoId !== videoResponse?.youtube_id) {
-        const videoByIdResponse = await loadVideoById(videoId);
+        setError(null);
+        try {
+          const videoByIdResponse = await loadVideoById(videoId);
+          setVideoResponse(videoByIdResponse);
+        } catch (err) {
+          if ((err as ApiError).status === 404) {
+            setError(err as ApiError);
+          } else {
+            console.error('Failed to fetch item:', err);
+          }
+        }
+
         const simmilarVideosResponse = await loadSimmilarVideosById(videoId);
         const customPlaylistsResponse = await loadPlaylistList({ type: 'custom' });
         const videoNavResponse = await loadVideoNav(videoId);
@@ -150,7 +164,6 @@ const Video = () => {
           console.log('Comments not found', e);
         }
 
-        setVideoResponse(videoByIdResponse);
         setSimmilarVideos(simmilarVideosResponse);
         setVideoPlaylistNav(videoNavResponse);
         setCustomPlaylistsResponse(customPlaylistsResponse);
@@ -191,6 +204,8 @@ const Video = () => {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [videoEnded, playlistAutoplay]);
 
+  if (error) return <NotFound failType="video" />;
+
   if (videoResponse === undefined) {
     return [];
   }