diff --git a/yt_dlp/extractor/playsuisse.py b/yt_dlp/extractor/playsuisse.py
index 905f8fc2f..4d9086cdd 100644
--- a/yt_dlp/extractor/playsuisse.py
+++ b/yt_dlp/extractor/playsuisse.py
@@ -14,96 +14,7 @@ from ..utils import (
 class PlaySuisseIE(InfoExtractor):
     _NETRC_MACHINE = 'playsuisse'
     _VALID_URL = r'https?://(?:www\.)?playsuisse\.ch/(?:watch|detail)/(?:[^#]*[?&]episodeId=)?(?P<id>[0-9]+)'
-    _TESTS = [
-        {
-            # Old URL
-            'url': 'https://www.playsuisse.ch/watch/763211/0',
-            'only_matching': True,
-        },
-        {
-            # episode in a series
-            'url': 'https://www.playsuisse.ch/watch/763182?episodeId=763211',
-            'md5': '82df2a470b2dfa60c2d33772a8a60cf8',
-            'info_dict': {
-                'id': '763211',
-                'ext': 'mp4',
-                'title': 'Knochen',
-                'description': 'md5:8ea7a8076ba000cd9e8bc132fd0afdd8',
-                'duration': 3344,
-                'series': 'Wilder',
-                'season': 'Season 1',
-                'season_number': 1,
-                'episode': 'Knochen',
-                'episode_number': 1,
-                'thumbnail': 're:https://playsuisse-img.akamaized.net/',
-            },
-        }, {
-            # film
-            'url': 'https://www.playsuisse.ch/watch/808675',
-            'md5': '818b94c1d2d7c4beef953f12cb8f3e75',
-            'info_dict': {
-                'id': '808675',
-                'ext': 'mp4',
-                'title': 'Der Läufer',
-                'description': 'md5:9f61265c7e6dcc3e046137a792b275fd',
-                'duration': 5280,
-                'thumbnail': 're:https://playsuisse-img.akamaized.net/',
-            },
-        }, {
-            # series (treated as a playlist)
-            'url': 'https://www.playsuisse.ch/detail/1115687',
-            'info_dict': {
-                'description': 'md5:e4a2ae29a8895823045b5c3145a02aa3',
-                'id': '1115687',
-                'series': 'They all came out to Montreux',
-                'title': 'They all came out to Montreux',
-            },
-            'playlist': [{
-                'info_dict': {
-                    'description': 'md5:f2462744834b959a31adc6292380cda2',
-                    'duration': 3180,
-                    'episode': 'Folge 1',
-                    'episode_number': 1,
-                    'id': '1112663',
-                    'season': 'Season 1',
-                    'season_number': 1,
-                    'series': 'They all came out to Montreux',
-                    'thumbnail': 're:https://playsuisse-img.akamaized.net/',
-                    'title': 'Folge 1',
-                    'ext': 'mp4',
-                },
-            }, {
-                'info_dict': {
-                    'description': 'md5:9dfd308699fe850d3bce12dc1bad9b27',
-                    'duration': 2935,
-                    'episode': 'Folge 2',
-                    'episode_number': 2,
-                    'id': '1112661',
-                    'season': 'Season 1',
-                    'season_number': 1,
-                    'series': 'They all came out to Montreux',
-                    'thumbnail': 're:https://playsuisse-img.akamaized.net/',
-                    'title': 'Folge 2',
-                    'ext': 'mp4',
-                },
-            }, {
-                'info_dict': {
-                    'description': 'md5:14a93a3356b2492a8f786ab2227ef602',
-                    'duration': 2994,
-                    'episode': 'Folge 3',
-                    'episode_number': 3,
-                    'id': '1112664',
-                    'season': 'Season 1',
-                    'season_number': 1,
-                    'series': 'They all came out to Montreux',
-                    'thumbnail': 're:https://playsuisse-img.akamaized.net/',
-                    'title': 'Folge 3',
-                    'ext': 'mp4',
-                },
-            }],
-        },
-    ]
-
+    
     _GRAPHQL_QUERY = '''
         query AssetWatch($assetId: ID!) {
             assetV2(id: $assetId) {
@@ -179,8 +90,6 @@ class PlaySuisseIE(InfoExtractor):
             raise ExtractorError('Login failed')
 
     def _get_media_data(self, media_id):
-        # NOTE In the web app, the "locale" header is used to switch between languages,
-        # However this doesn't seem to take effect when passing the header here.
         response = self._download_json(
             'https://www.playsuisse.ch/api/graphql',
             media_id, data=json.dumps({
@@ -188,7 +97,7 @@ class PlaySuisseIE(InfoExtractor):
                 'query': self._GRAPHQL_QUERY,
                 'variables': {'assetId': media_id},
             }).encode(),
-            headers={'Content-Type': 'application/json', 'locale': 'de'})
+            headers={'Content-Type': 'application/json', 'locale': 'fr'})
 
         return response['data']['assetV2']
 
@@ -199,14 +108,25 @@ class PlaySuisseIE(InfoExtractor):
         media_id = self._match_id(url)
         media_data = self._get_media_data(media_id)
         info = self._extract_single(media_data)
+        
+        if info is None:
+            raise ExtractorError('Unable to extract media information')
+        
         if media_data.get('episodes'):
             info.update({
                 '_type': 'playlist',
-                'entries': map(self._extract_single, media_data['episodes']),
+                'entries': [
+                    self._extract_single(episode)
+                    for episode in media_data['episodes']
+                    if self._extract_single(episode) is not None
+                ],
             })
         return info
 
     def _extract_single(self, media_data):
+        if not media_data or 'id' not in media_data:
+            return None
+
         thumbnails = traverse_obj(media_data, lambda k, _: k.startswith('thumbnail'))
 
         formats, subtitles = [], {}
@@ -219,16 +139,24 @@ class PlaySuisseIE(InfoExtractor):
             formats.extend(f)
             self._merge_subtitles(subs, target=subtitles)
 
+        series_name = media_data.get('seriesName', '')
+        episode_name = media_data.get('name', '')
+        
+        if series_name and episode_name:
+            title = f"{series_name} - {episode_name}"
+        else:
+            title = episode_name or series_name or 'Unknown Title'
+
         return {
             'id': media_data['id'],
-            'title': media_data.get('name'),
+            'title': title,
             'description': media_data.get('description'),
             'thumbnails': thumbnails,
             'duration': int_or_none(media_data.get('duration')),
             'formats': formats,
             'subtitles': subtitles,
-            'series': media_data.get('seriesName'),
+            'series': series_name,
             'season_number': int_or_none(media_data.get('seasonNumber')),
-            'episode': media_data.get('name') if media_data.get('episodeNumber') else None,
+            'episode': episode_name if media_data.get('episodeNumber') else None,
             'episode_number': int_or_none(media_data.get('episodeNumber')),
         }