diff --git a/youtube_dl/extractor/nhk.py b/youtube_dl/extractor/nhk.py
index f43d91cd5..fa9a6dde9 100644
--- a/youtube_dl/extractor/nhk.py
+++ b/youtube_dl/extractor/nhk.py
@@ -11,6 +11,7 @@ class NhkBaseIE(InfoExtractor):
     _API_URL_TEMPLATE = 'https://nwapi.nhk.jp/nhkworld/%sod%slist/v7b/%s/%s/%s/all%s.json'
     _BASE_URL_REGEX = r'https?://www3\.nhk\.or\.jp/nhkworld/(?P<lang>[a-z]{2})/ondemand'
     _TYPE_REGEX = r'/(?P<type>video|audio)/'
+    _VALID_URL = r""
 
     def _call_api(self, m_id, lang, is_video, is_episode, is_clip):
         return self._download_json(
@@ -23,7 +24,7 @@ class NhkBaseIE(InfoExtractor):
 
     def _extract_episode_info(self, url, episode=None):
         fetch_episode = episode is None
-        lang, m_type, episode_id = re.match(NhkVodIE._VALID_URL, url).groups()
+        lang, m_type, episode_id = re.match(self._VALID_URL, url).groups()
         if len(episode_id) == 7:
             episode_id = episode_id[:4] + '-' + episode_id[4:]
 
@@ -63,7 +64,7 @@ class NhkBaseIE(InfoExtractor):
             info.update({
                 '_type': 'url_transparent',
                 'ie_key': 'Piksel',
-                'url': 'https://player.piksel.com/v/refid/nhkworld/prefid/' + vod_id,
+                'url': 'https://movie-s.nhk.or.jp/v/refid/nhkworld/prefid/' + vod_id,
                 'id': vod_id,
             })
         else:
@@ -90,8 +91,22 @@ class NhkVodIE(NhkBaseIE):
     # Content available only for a limited period of time. Visit
     # https://www3.nhk.or.jp/nhkworld/en/ondemand/ for working samples.
     _TESTS = [{
+        'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2061601/',
+        'info_dict': {
+            'id': 'yd8322ch',
+            'ext': 'mp4',
+            'description': 'NHK WORLD-JAPAN presents a sumo highlights program for fans around the globe. Today the'
+                           ' show features all top-division bouts from May 14, Day 1 of the Grand Sumo Tournament in'
+                           ' Tokyo.',
+            'title': 'GRAND SUMO Highlights - [Recap] May Tournament Day 1 (Opening Day)',
+            'upload_date': '20230514',
+            'timestamp': 1684083791,
+        },
+
+    }, {
         # video clip
         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999011/',
+        'only_matching': True,
         'md5': '7a90abcfe610ec22a6bfe15bd46b30ca',
         'info_dict': {
             'id': 'a95j5iza',
@@ -146,7 +161,8 @@ class NhkVodIE(NhkBaseIE):
 
 
 class NhkVodProgramIE(NhkBaseIE):
-    _VALID_URL = r'%s/program%s(?P<id>[0-9a-z]+)(?:.+?\btype=(?P<episode_type>clip|(?:radio|tv)Episode))?' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
+    _VALID_URL = r'%s/program%s(?P<id>[0-9a-z]+)(?:.+?\btype=(?P<episode_type>clip|(?:radio|tv)Episode))?' % (
+        NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
     _TESTS = [{
         # video program episodes
         'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway',