+class NRKTVIE(NRKBaseIE):
+    IE_DESC = 'NRK TV and NRK Radio'
+    _EPISODE_RE = r'(?P<id>[a-zA-Z]{4}\d{8})'
+    _VALID_URL = r'''(?x)
+                        https?://
+                            (?:tv|radio)\.nrk(?:super)?\.no/
+                            (?:serie(?:/[^/]+){1,2}|program)/
+                            (?![Ee]pisodes)%s
+                            (?:/\d{2}-\d{2}-\d{4})?
+                            (?:\#del=(?P<part_id>\d+))?
+                    ''' % _EPISODE_RE
+    _API_HOSTS = ('psapi-ne.nrk.no', 'psapi-we.nrk.no')
+    _TESTS = [{
+        'url': 'https://tv.nrk.no/serie/20-spoersmaal-tv/MUHH48000314/23-05-2014',
+        'md5': '9a167e54d04671eb6317a37b7bc8a280',
+        'info_dict': {
+            'id': 'MUHH48000314AA',
+            'ext': 'mp4',
+            'title': '20 spørsmål 23.05.2014',
+            'description': 'md5:bdea103bc35494c143c6a9acdd84887a',
+            'duration': 1741,
+            'series': '20 spørsmål',
+            'episode': '23.05.2014',
+        },
+    }, {
+        'url': 'https://tv.nrk.no/program/mdfp15000514',
+        'info_dict': {
+            'id': 'MDFP15000514CA',
+            'ext': 'mp4',
+            'title': 'Grunnlovsjubiléet - Stor ståhei for ingenting 24.05.2014',
+            'description': 'md5:89290c5ccde1b3a24bb8050ab67fe1db',
+            'duration': 4605,
+            'series': 'Kunnskapskanalen',
+            'episode': '24.05.2014',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        # single playlist video
+        'url': 'https://tv.nrk.no/serie/tour-de-ski/MSPO40010515/06-01-2015#del=2',
+        'info_dict': {
+            'id': 'MSPO40010515-part2',
+            'ext': 'flv',
+            'title': 'Tour de Ski: Sprint fri teknikk, kvinner og menn 06.01.2015 (del 2:2)',
+            'description': 'md5:238b67b97a4ac7d7b4bf0edf8cc57d26',
+        },
+        'params': {
+            'skip_download': True,
+        },
+        'expected_warnings': ['Video is geo restricted'],
+        'skip': 'particular part is not supported currently',
+    }, {
+        'url': 'https://tv.nrk.no/serie/tour-de-ski/MSPO40010515/06-01-2015',
+        'playlist': [{
+            'info_dict': {
+                'id': 'MSPO40010515AH',
+                'ext': 'mp4',
+                'title': 'Sprint fri teknikk, kvinner og menn 06.01.2015 (Part 1)',
+                'description': 'md5:1f97a41f05a9486ee00c56f35f82993d',
+                'duration': 772,
+                'series': 'Tour de Ski',
+                'episode': '06.01.2015',
+            },
+            'params': {
+                'skip_download': True,
+            },
+        }, {
+            'info_dict': {
+                'id': 'MSPO40010515BH',
+                'ext': 'mp4',
+                'title': 'Sprint fri teknikk, kvinner og menn 06.01.2015 (Part 2)',
+                'description': 'md5:1f97a41f05a9486ee00c56f35f82993d',
+                'duration': 6175,
+                'series': 'Tour de Ski',
+                'episode': '06.01.2015',
+            },
+            'params': {
+                'skip_download': True,
+            },
+        }],
+        'info_dict': {
+            'id': 'MSPO40010515',
+            'title': 'Sprint fri teknikk, kvinner og menn 06.01.2015',
+            'description': 'md5:1f97a41f05a9486ee00c56f35f82993d',
+        },
+        'expected_warnings': ['Video is geo restricted'],
+    }, {
+        'url': 'https://tv.nrk.no/serie/anno/KMTE50001317/sesong-3/episode-13',
+        'info_dict': {
+            'id': 'KMTE50001317AA',
+            'ext': 'mp4',
+            'title': 'Anno 13:30',
+            'description': 'md5:11d9613661a8dbe6f9bef54e3a4cbbfa',
+            'duration': 2340,
+            'series': 'Anno',
+            'episode': '13:30',
+            'season_number': 3,
+            'episode_number': 13,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://tv.nrk.no/serie/nytt-paa-nytt/MUHH46000317/27-01-2017',
+        'info_dict': {
+            'id': 'MUHH46000317AA',
+            'ext': 'mp4',
+            'title': 'Nytt på Nytt 27.01.2017',
+            'description': 'md5:5358d6388fba0ea6f0b6d11c48b9eb4b',
+            'duration': 1796,
+            'series': 'Nytt på nytt',
+            'episode': '27.01.2017',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://radio.nrk.no/serie/dagsnytt/NPUB21019315/12-07-2015#',
+        'only_matching': True,
+    }, {
+        'url': 'https://tv.nrk.no/serie/lindmo/2018/MUHU11006318/avspiller',
+        'only_matching': True,
+    }]
+
+
+class NRKTVEpisodeIE(InfoExtractor):
+    _VALID_URL = r'https?://tv\.nrk\.no/serie/(?P<id>[^/]+/sesong/\d+/episode/\d+)'
+    _TEST = {
+        'url': 'https://tv.nrk.no/serie/backstage/sesong/1/episode/8',
+        'info_dict': {
+            'id': 'MSUI14000816AA',
+            'ext': 'mp4',
+            'title': 'Backstage 8:30',
+            'description': 'md5:de6ca5d5a2d56849e4021f2bf2850df4',
+            'duration': 1320,
+            'series': 'Backstage',
+            'season_number': 1,
+            'episode_number': 8,
+            'episode': '8:30',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }
+
+    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_*\s*=\s*({.+?})\s*;',
+                 r'({.+?})\s*,\s*"[^"]+"\s*\)\s*</script>'),
+                webpage, 'config', default='{}' if not fatal else NO_DEFAULT),
+            display_id, fatal=False)
+        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))