+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, display_id)
+
+        nrk_id = self._parse_json(
+            self._search_regex(JSON_LD_RE, webpage, 'JSON-LD', group='json_ld'),
+            display_id)['@id']
+
+        assert re.match(NRKTVIE._EPISODE_RE, nrk_id)
+        return self.url_result(
+            'nrk:%s' % nrk_id, ie=NRKIE.ie_key(), video_id=nrk_id)
+
+
+class NRKTVSerieBaseIE(InfoExtractor):
+    def _extract_series(self, webpage, display_id, fatal=True):
+        config = self._parse_json(
+            self._search_regex(
+                (r'INITIAL_DATA(?:_V\d)?_*\s*=\s*({.+?})\s*;',
+                 r'({.+?})\s*,\s*"[^"]+"\s*\)\s*</script>'),
+                webpage, 'config', default='{}' if not fatal else NO_DEFAULT),
+            display_id, fatal=False, transform_source=js_to_json)
+        if not config:
+            return
+        return try_get(
+            config,
+            (lambda x: x['initialState']['series'], lambda x: x['series']),
+            dict)
+
+    def _extract_seasons(self, seasons):
+        if not isinstance(seasons, list):
+            return []
+        entries = []
+        for season in seasons:
+            entries.extend(self._extract_episodes(season))
+        return entries
+
+    def _extract_episodes(self, season):
+        if not isinstance(season, dict):
+            return []
+        return self._extract_entries(season.get('episodes'))
+
+    def _extract_entries(self, entry_list):
+        if not isinstance(entry_list, list):
+            return []
+        entries = []
+        for episode in entry_list:
+            nrk_id = episode.get('prfId')
+            if not nrk_id or not isinstance(nrk_id, compat_str):
+                continue
+            entries.append(self.url_result(
+                'nrk:%s' % nrk_id, ie=NRKIE.ie_key(), video_id=nrk_id))
+        return entries
+
+
+class NRKTVSeasonIE(NRKTVSerieBaseIE):
+    _VALID_URL = r'https?://tv\.nrk\.no/serie/[^/]+/sesong/(?P<id>\d+)'
+    _TEST = {
+        'url': 'https://tv.nrk.no/serie/backstage/sesong/1',
+        'info_dict': {
+            'id': '1',
+            'title': 'Sesong 1',
+        },
+        'playlist_mincount': 30,
+    }
+
+    @classmethod
+    def suitable(cls, url):
+        return (False if NRKTVIE.suitable(url) or NRKTVEpisodeIE.suitable(url)
+                else super(NRKTVSeasonIE, cls).suitable(url))
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, display_id)
+
+        series = self._extract_series(webpage, display_id)
+
+        season = next(
+            s for s in series['seasons']
+            if int(display_id) == s.get('seasonNumber'))
+
+        title = try_get(season, lambda x: x['titles']['title'], compat_str)
+        return self.playlist_result(
+            self._extract_episodes(season), display_id, title)
+
+
+class NRKTVSeriesIE(NRKTVSerieBaseIE):
+    _VALID_URL = r'https?://(?:tv|radio)\.nrk(?:super)?\.no/serie/(?P<id>[^/]+)'
+    _ITEM_RE = r'(?:data-season=["\']|id=["\']season-)(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://tv.nrk.no/serie/blank',
+        'info_dict': {
+            'id': 'blank',
+            'title': 'Blank',
+            'description': 'md5:7664b4e7e77dc6810cd3bca367c25b6e',
+        },
+        'playlist_mincount': 30,
+    }, {
+        # new layout, seasons
+        'url': 'https://tv.nrk.no/serie/backstage',
+        'info_dict': {
+            'id': 'backstage',
+            'title': 'Backstage',
+            'description': 'md5:c3ec3a35736fca0f9e1207b5511143d3',
+        },
+        'playlist_mincount': 60,
+    }, {
+        # new layout, instalments
+        'url': 'https://tv.nrk.no/serie/groenn-glede',
+        'info_dict': {
+            'id': 'groenn-glede',
+            'title': 'Grønn glede',
+            'description': 'md5:7576e92ae7f65da6993cf90ee29e4608',
+        },
+        'playlist_mincount': 10,
+    }, {
+        # old layout
+        'url': 'https://tv.nrksuper.no/serie/labyrint',
+        'info_dict': {
+            'id': 'labyrint',
+            'title': 'Labyrint',
+            'description': 'md5:318b597330fdac5959247c9b69fdb1ec',
+        },
+        'playlist_mincount': 3,
+    }, {
+        'url': 'https://tv.nrk.no/serie/broedrene-dal-og-spektralsteinene',
+        'only_matching': True,
+    }, {
+        'url': 'https://tv.nrk.no/serie/saving-the-human-race',
+        'only_matching': True,
+    }, {
+        'url': 'https://tv.nrk.no/serie/postmann-pat',
+        'only_matching': True,
+    }]
+
+    @classmethod
+    def suitable(cls, url):
+        return (
+            False if any(ie.suitable(url)
+                         for ie in (NRKTVIE, NRKTVEpisodeIE, NRKTVSeasonIE))
+            else super(NRKTVSeriesIE, cls).suitable(url))
+
+    def _real_extract(self, url):
+        series_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, series_id)
+
+        # New layout (e.g. https://tv.nrk.no/serie/backstage)
+        series = self._extract_series(webpage, series_id, fatal=False)
+        if series:
+            title = try_get(series, lambda x: x['titles']['title'], compat_str)
+            description = try_get(
+                series, lambda x: x['titles']['subtitle'], compat_str)
+            entries = []
+            entries.extend(self._extract_seasons(series.get('seasons')))
+            entries.extend(self._extract_entries(series.get('instalments')))
+            entries.extend(self._extract_episodes(series.get('extraMaterial')))
+            return self.playlist_result(entries, series_id, title, description)
+
+        # Old layout (e.g. https://tv.nrksuper.no/serie/labyrint)
+        entries = [
+            self.url_result(
+                'https://tv.nrk.no/program/Episodes/{series}/{season}'.format(
+                    series=series_id, season=season_id))
+            for season_id in re.findall(self._ITEM_RE, webpage)
+        ]
+
+        title = self._html_search_meta(
+            'seriestitle', webpage,
+            'title', default=None) or self._og_search_title(
+            webpage, fatal=False)
+        if title:
+            title = self._search_regex(
+                r'NRK (?:Super )?TV\s*[-–]\s*(.+)', title, 'title', default=title)
+
+        description = self._html_search_meta(
+            'series_description', webpage,
+            'description', default=None) or self._og_search_description(webpage)
+
+        return self.playlist_result(entries, series_id, title, description)
+
+
+class NRKTVDirekteIE(NRKTVIE):
+    IE_DESC = 'NRK TV Direkte and NRK Radio Direkte'
+    _VALID_URL = r'https?://(?:tv|radio)\.nrk\.no/direkte/(?P<id>[^/?#&]+)'
+
+    _TESTS = [{
+        'url': 'https://tv.nrk.no/direkte/nrk1',
+        'only_matching': True,
+    }, {
+        'url': 'https://radio.nrk.no/direkte/p1_oslo_akershus',
+        'only_matching': True,
+    }]
+
+
+class NRKPlaylistBaseIE(InfoExtractor):
+    def _extract_description(self, webpage):
+        pass
+