diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae501fd..0f29abd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.4.2
+- Implement `getSrt` a video closed captions in srt format.
+- Only throw custom exceptions from the library.
+
 ## 1.4.1+1
 - Bug fixes
 
diff --git a/lib/src/reverse_engineering/responses/channel_upload_page.dart b/lib/src/reverse_engineering/responses/channel_upload_page.dart
index 5b3bf2a..6af906a 100644
--- a/lib/src/reverse_engineering/responses/channel_upload_page.dart
+++ b/lib/src/reverse_engineering/responses/channel_upload_page.dart
@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:html/dom.dart';
 import 'package:html/parser.dart' as parser;
+import 'package:youtube_explode_dart/src/exceptions/exceptions.dart';
 
 import '../../channels/channel_video.dart';
 import '../../extensions/helpers_extension.dart';
@@ -106,7 +107,7 @@ class _InitialData {
               ['items']
           .cast<Map<String, dynamic>>();
     }
-    throw Exception('Couldn\'t find the content data');
+    throw FatalFailureException('Failed to get initial data context.');
   }
 
   Map<String, dynamic> getContinuationContext(Map<String, dynamic> root) {
diff --git a/lib/src/reverse_engineering/responses/search_page.dart b/lib/src/reverse_engineering/responses/search_page.dart
index 4e9f538..767b8b5 100644
--- a/lib/src/reverse_engineering/responses/search_page.dart
+++ b/lib/src/reverse_engineering/responses/search_page.dart
@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'package:html/dom.dart';
 import 'package:html/parser.dart' as parser;
 
+import '../../../youtube_explode_dart.dart';
 import '../../extensions/helpers_extension.dart';
 import '../../playlists/playlist_id.dart';
 import '../../retry.dart';
@@ -131,7 +132,7 @@ class _InitialData {
               ['itemSectionContinuation']['contents']
           .cast<Map<String, dynamic>>();
     }
-    throw Exception('Couldn\'t find the content data');
+    throw FatalFailureException('Failed to get initial data context.');
   }
 
   Map<String, dynamic> getContinuationContext(Map<String, dynamic> root) {
diff --git a/lib/src/videos/comments/comments_client.dart b/lib/src/videos/comments/comments_client.dart
index 07bb723..d4cd5a3 100644
--- a/lib/src/videos/comments/comments_client.dart
+++ b/lib/src/videos/comments/comments_client.dart
@@ -44,12 +44,10 @@ class CommentsClient {
   /// a page contains at most 20 comments, use .take if you want to limit
   /// the results.
   ///
-  /// Throws an exception if the given video has not a watch page available.
-  /// this happens for the videos from playlist or search queries.
+  /// The streams doesn't emit any data if [Video.hasWatchPage] is false.
   Stream<Comment> getComments(Video video) async* {
     if (video.watchPage == null) {
-      //TODO: Implement custom exception.
-      throw Exception('Watch page not available for this video');
+      return;
     }
     yield* _getComments(
         video.watchPage.initialData.continuation,
diff --git a/lib/src/videos/video.dart b/lib/src/videos/video.dart
index 0c5050b..27eba3a 100644
--- a/lib/src/videos/video.dart
+++ b/lib/src/videos/video.dart
@@ -46,6 +46,9 @@ class Video with EquatableMixin {
   /// Shouldn't be used in the code.
   final WatchPage watchPage;
 
+  /// Returns true if the watch page is available for this video.
+  bool get hasWatchPage => watchPage != null;
+
   /// Initializes an instance of [Video]
   Video(
       this.id,