diff --git a/deno/package.json b/deno/package.json
index 85250e6f..425e1400 100644
--- a/deno/package.json
+++ b/deno/package.json
@@ -1,6 +1,6 @@
 {
   "name": "youtubei.js",
-  "version": "6.1.0",
+  "version": "6.2.0",
   "description": "A wrapper around YouTube's private API. Supports YouTube, YouTube Music, YouTube Kids and YouTube Studio (WIP).",
   "type": "module",
   "types": "./dist/src/platform/lib.d.ts",
diff --git a/deno/src/core/Session.ts b/deno/src/core/Session.ts
index 387e617c..3379029c 100644
--- a/deno/src/core/Session.ts
+++ b/deno/src/core/Session.ts
@@ -217,10 +217,17 @@ export default class Session extends EventEmitterLike {
   ) {
     let session_data: SessionData;
 
+    const session_args = { lang, location, time_zone: tz, device_category, client_name, enable_safety_mode, visitor_data };
+
     if (generate_session_locally) {
-      session_data = this.#generateSessionData({ lang, location, time_zone: tz, device_category, client_name, enable_safety_mode, visitor_data });
+      session_data = this.#generateSessionData(session_args);
     } else {
-      session_data = await this.#retrieveSessionData({ lang, location, time_zone: tz, device_category, client_name, enable_safety_mode, visitor_data }, fetch);
+      try {
+        // This can fail if the data changes or the request is blocked for some reason.
+        session_data = await this.#retrieveSessionData(session_args, fetch);
+      } catch (err) {
+        session_data = this.#generateSessionData(session_args);
+      }
     }
 
     return { ...session_data, account_index };
diff --git a/deno/src/parser/classes/misc/Format.ts b/deno/src/parser/classes/misc/Format.ts
index 93a36ccb..2e51eb62 100644
--- a/deno/src/parser/classes/misc/Format.ts
+++ b/deno/src/parser/classes/misc/Format.ts
@@ -104,7 +104,7 @@ export default class Format {
       this.language = xtags?.find((x: string) => x.startsWith('lang='))?.split('=')[1] || null;
       this.is_dubbed = audio_content === 'dubbed';
       this.is_descriptive = audio_content === 'descriptive';
-      this.is_original = audio_content === 'original' || !this.is_dubbed || !this.is_descriptive;
+      this.is_original = audio_content === 'original' || (!this.is_dubbed && !this.is_descriptive);
 
       if (Reflect.has(data, 'audioTrack')) {
         this.audio_track = {