-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-        part_id = mobj.group('part_id')
-        baseurl = mobj.group('baseurl')
-
-        webpage = self._download_webpage(url, video_id)
-
-        title = self._html_search_meta(
-            'title', webpage, 'title')
-        description = self._html_search_meta(
-            'description', webpage, 'description')
-
-        thumbnail = self._html_search_regex(
-            r'data-posterimage="([^"]+)"',
-            webpage, 'thumbnail', fatal=False)
-        upload_date = unified_strdate(self._html_search_meta(
-            'rightsfrom', webpage, 'upload date', fatal=False))
-        duration = float_or_none(self._html_search_regex(
-            r'data-duration="([^"]+)"',
-            webpage, 'duration', fatal=False))
-
-        # playlist
-        parts = re.findall(
-            r'<a href="#del=(\d+)"[^>]+data-argument="([^"]+)">([^<]+)</a>', webpage)
-        if parts:
-            entries = []
-            for current_part_id, stream_url, part_title in parts:
-                if part_id and current_part_id != part_id:
-                    continue
-                video_part_id = '%s-part%s' % (video_id, current_part_id)
-                formats = self._extract_f4m(stream_url, video_part_id)
-                entries.append({
-                    'id': video_part_id,
-                    'title': part_title,
-                    'description': description,
-                    'thumbnail': thumbnail,
-                    'upload_date': upload_date,
-                    'formats': formats,
-                })
-            if part_id:
-                if entries:
-                    return entries[0]
-            else:
-                playlist = self.playlist_result(entries, video_id, title, description)
-                playlist.update({
-                    'thumbnail': thumbnail,
-                    'upload_date': upload_date,
-                    'duration': duration,
-                })
-                return playlist
-
-        formats = []
-
-        f4m_url = re.search(r'data-media="([^"]+)"', webpage)
-        if f4m_url:
-            formats.extend(self._extract_f4m(f4m_url.group(1), video_id))
-
-        m3u8_url = re.search(r'data-hls-media="([^"]+)"', webpage)
-        if m3u8_url:
-            formats.extend(self._extract_m3u8_formats(m3u8_url.group(1), video_id, 'mp4'))
-        self._sort_formats(formats)
-
-        subtitles_url = self._html_search_regex(
-            r'data-subtitlesurl[ ]*=[ ]*"([^"]+)"',
-            webpage, 'subtitle URL', default=None)
-        subtitles = None
-        if subtitles_url:
-            subtitles = self._extract_captions(subtitles_url, video_id, baseurl)
-        if self._downloader.params.get('listsubtitles', False):
-            self._list_available_subtitles(video_id, subtitles)
-            return
-
-        return {
-            'id': video_id,
-            'title': title,
-            'description': description,
-            'thumbnail': thumbnail,
-            'upload_date': upload_date,
-            'duration': duration,
-            'formats': formats,
-            'subtitles': subtitles,
-        }
+        playlist_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, playlist_id)
+
+        entries = [
+            self.url_result('nrk:%s' % video_id, 'NRK')
+            for video_id in re.findall(
+                r'class="[^"]*\brich\b[^"]*"[^>]+data-video-id="([^"]+)"',
+                webpage)
+        ]
+
+        playlist_title = self._og_search_title(webpage)
+        playlist_description = self._og_search_description(webpage)
+
+        return self.playlist_result(
+            entries, playlist_id, playlist_title, playlist_description)
+
+
+class NRKSkoleIE(InfoExtractor):
+    IE_DESC = 'NRK Skole'
+    _VALID_URL = r'https?://(?:www\.)?nrk\.no/skole/?\?.*\bmediaId=(?P<id>\d+)'
+
+    _TESTS = [{
+        'url': 'https://www.nrk.no/skole/?page=search&q=&mediaId=14099',
+        'md5': '6bc936b01f9dd8ed45bc58b252b2d9b6',
+        'info_dict': {
+            'id': '6021',
+            'ext': 'mp4',
+            'title': 'Genetikk og eneggede tvillinger',
+            'description': 'md5:3aca25dcf38ec30f0363428d2b265f8d',
+            'duration': 399,
+        },
+    }, {
+        'url': 'https://www.nrk.no/skole/?page=objectives&subject=naturfag&objective=K15114&mediaId=19355',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage = self._download_webpage(
+            'https://mimir.nrk.no/plugin/1.0/static?mediaId=%s' % video_id,
+            video_id)
+
+        nrk_id = self._parse_json(
+            self._search_regex(
+                r'<script[^>]+type=["\']application/json["\'][^>]*>({.+?})</script>',
+                webpage, 'application json'),
+            video_id)['activeMedia']['psId']
+
+        return self.url_result('nrk:%s' % nrk_id)