diff --git a/tubearchivist/api/urls.py b/tubearchivist/api/urls.py
index 19c6e192..1af11133 100644
--- a/tubearchivist/api/urls.py
+++ b/tubearchivist/api/urls.py
@@ -41,6 +41,11 @@ urlpatterns = [
         views.ChannelApiListView.as_view(),
         name="api-channel-list",
     ),
+    path(
+        "channel/search/",
+        views.ChannelApiSearchView.as_view(),
+        name="api-channel-search",
+    ),
     path(
         "channel/<slug:channel_id>/",
         views.ChannelApiView.as_view(),
diff --git a/tubearchivist/api/views.py b/tubearchivist/api/views.py
index 6ae35f4f..34762d29 100644
--- a/tubearchivist/api/views.py
+++ b/tubearchivist/api/views.py
@@ -228,6 +228,10 @@ class VideoSponsorView(ApiBaseView):
         # pylint: disable=unused-argument
 
         self.get_document(video_id)
+        if not self.response.get("data"):
+            message = {"message": "video not found"}
+            return Response(message, status=404)
+
         sponsorblock = self.response["data"].get("sponsorblock")
 
         return Response(sponsorblock)
@@ -356,6 +360,36 @@ class ChannelApiListView(ApiBaseView):
         )
 
 
+class ChannelApiSearchView(ApiBaseView):
+    """resolves to /api/channel/search/
+    search for channel
+    """
+
+    search_base = "ta_channel/_doc/"
+
+    def get(self, request):
+        """handle get request, search with s parameter"""
+
+        query = request.GET.get("q")
+        if not query:
+            message = "missing expected q parameter"
+            return Response({"message": message, "data": False}, status=400)
+
+        try:
+            parsed = Parser(query).parse()[0]
+        except (ValueError, IndexError, AttributeError):
+            message = f"channel not found: {query}"
+            return Response({"message": message, "data": False}, status=404)
+
+        if not parsed["type"] == "channel":
+            message = "expected type channel"
+            return Response({"message": message, "data": False}, status=400)
+
+        self.get_document(parsed["url"])
+
+        return Response(self.response, status=self.status_code)
+
+
 class ChannelApiVideoView(ApiBaseView):
     """resolves to /api/channel/<channel-id>/video
     GET: returns a list of videos of channel
diff --git a/tubearchivist/config/settings.py b/tubearchivist/config/settings.py
index bdf0a6a2..4418083d 100644
--- a/tubearchivist/config/settings.py
+++ b/tubearchivist/config/settings.py
@@ -256,4 +256,4 @@ CORS_ALLOW_HEADERS = list(default_headers) + [
 
 # TA application settings
 TA_UPSTREAM = "https://github.com/tubearchivist/tubearchivist"
-TA_VERSION = "v0.4.0"
+TA_VERSION = "v0.4.1-unstable"
diff --git a/tubearchivist/home/src/ta/notify.py b/tubearchivist/home/src/ta/notify.py
index d8821285..5b1c9c7a 100644
--- a/tubearchivist/home/src/ta/notify.py
+++ b/tubearchivist/home/src/ta/notify.py
@@ -8,12 +8,12 @@ from home.src.ta.task_manager import TaskManager
 class Notifications:
     """notification handler"""
 
-    def __init__(self, name, task_id, task_title):
-        self.name = name
-        self.task_id = task_id
-        self.task_title = task_title
+    def __init__(self, name: str, task_id: str, task_title: str):
+        self.name: str = name
+        self.task_id: str = task_id
+        self.task_title: str = task_title
 
-    def send(self):
+    def send(self) -> None:
         """send notifications"""
         apobj = apprise.Apprise()
         hooks: str | None = self.get_url()
diff --git a/tubearchivist/static/script.js b/tubearchivist/static/script.js
index 7d2d3cf8..990e76c9 100644
--- a/tubearchivist/static/script.js
+++ b/tubearchivist/static/script.js
@@ -1483,6 +1483,21 @@ function doShortcut(e) {
       player.muted = !player.muted;
       break;
     }
+    case 'f': {
+      e.preventDefault();
+      if (document.fullscreenElement === null) {
+        player.requestFullscreen().catch(e => {
+          console.error(e);
+          showModal('Unable to enter fullscreen', 3000);
+        });
+      } else {
+        document.exitFullscreen().catch(e => {
+          console.error(e);
+          showModal('Unable to exit fullscreen', 3000);
+        });
+      }
+      break;
+    }
     case 'ArrowLeft': {
       e.preventDefault();
       showModal('- 5 seconds', 500);
@@ -1527,6 +1542,7 @@ function doShortcut(e) {
                 <table style="margin: auto; background: rgba(0,0,0,.5)"><tbody>
                 <tr><td>Show help</td><td>?</td>
                 <tr><td>Toggle mute</td><td>m</td>
+                <tr><td>Toggle fullscreen</td><td>f</td>
                 <tr><td>Toggle subtitles (if available)</td><td>c</td>
                 <tr><td>Increase speed</td><td>&gt;</td>
                 <tr><td>Decrease speed</td><td>&lt;</td>