diff --git a/youtube_dl/extractor/ertgr.py b/youtube_dl/extractor/ertgr.py
new file mode 100644
index 000000000..2fca46eab
--- /dev/null
+++ b/youtube_dl/extractor/ertgr.py
@@ -0,0 +1,165 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from ..compat import compat_str
+from ..utils import (
+    determine_ext,
+    dict_get,
+    int_or_none,
+    parse_age_limit,
+    parse_iso8601,
+    str_or_none,
+    try_get,
+    url_or_none,
+)
+
+from .common import InfoExtractor
+
+
+class ERTFlixBaseIE(InfoExtractor):
+    _VALID_URL = r'ertflix:(?P<id>[\w-]+)'
+    _TESTS = [{
+        'url': 'ertflix:monogramma-praxitelis-tzanoylinos',
+        'md5': '5b9c2cd171f09126167e4082fc1dd0ef',
+        'info_dict': {
+            'id': 'monogramma-praxitelis-tzanoylinos',
+            'ext': 'mp4',
+            'title': 'md5:ef0b439902963d56c43ac83c3f41dd0e',
+        },
+    },
+    ]
+
+    def _call_api(self, video_id, method='Player/AcquireContent', **params):
+        query = {'platformCodename': 'www', }
+        query.update(params)
+        json = self._download_json(
+            'https://api.app.ertflix.gr/v1/%s' % (method, ),
+            video_id, fatal=False, query=query)
+        if try_get(json, lambda x: x['Result']['Success']) is True:
+            return json
+
+    def _extract_formats(self, video_id, allow_none=True):
+        media_info = self._call_api(video_id, codename=video_id)
+        formats = []
+        for media_file in try_get(media_info, lambda x: x['MediaFiles'], list) or []:
+            for media in try_get(media_file, lambda x: x['Formats'], list) or []:
+                fmt_url = url_or_none(try_get(media, lambda x: x['Url']))
+                if not fmt_url:
+                    continue
+                ext = determine_ext(fmt_url)
+                if ext == 'm3u8':
+                    formats.extend(self._extract_m3u8_formats(fmt_url, video_id, m3u8_id='hls', ext='mp4', entry_protocol='m3u8_native', fatal=False))
+                elif ext == 'mpd':
+                    formats.extend(self._extract_mpd_formats(fmt_url, video_id, mpd_id='dash', fatal=False))
+                else:
+                    formats.append({
+                        'url': fmt_url,
+                        'format_id': str_or_none(media.get('Id')),
+                    })
+
+        if formats or not allow_none:
+            self._sort_formats(formats)
+        return formats
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        formats = self._extract_formats(video_id)
+
+        if formats:
+            return {
+                'id': video_id,
+                'formats': formats,
+                'title': self._generic_title(url),
+            }
+
+
+class ERTFlixIE(ERTFlixBaseIE):
+    _VALID_URL = r'https?://www\.ertflix\.gr/(?:series|vod)/(?P<id>[a-z]{3}\.\d+)'
+    _TESTS = [{
+        'url': 'https://www.ertflix.gr/vod/vod.173258-aoratoi-ergates',
+        'md5': '388f47a70e1935c8dabe454e871446bb',
+        'info_dict': {
+            'id': 'aoratoi-ergates',
+            'ext': 'mp4',
+            'title': 'md5:c1433d598fbba0211b0069021517f8b4',
+            'description': 'md5:8cc02e5cdb31058c8f6e0423db813770',
+            'thumbnail': r're:https?://.+\.jpg',
+        },
+    }, {
+        'url': 'https://www.ertflix.gr/series/ser.3448-monogramma',
+        'info_dict': {
+            'id': 'ser.3448',
+            'age_limit': 8,
+            'description': 'Η εκπομπή σαράντα ετών που σημάδεψε τον πολιτισμό μας.',
+            'title': 'Μονόγραμμα',
+        },
+        'playlist_mincount': 64,
+    },
+    ]
+
+    def _extract_series(self, video_id):
+        media_info = self._call_api(video_id, method='Tile/GetSeriesDetails', id=video_id)
+
+        series = try_get(media_info, lambda x: x['Series'], dict) or {}
+        series_info = {
+            'age_limit': parse_age_limit(series.get('AgeRating', series.get('IsAdultContent') and 18)),
+            'title': series.get('Title'),
+            'description': dict_get(series, ('ShortDescription', 'TinyDescription', )),
+        }
+
+        def gen_episode(m_info):
+            for episode_group in try_get(m_info, lambda x: x['EpisodeGroups'], list) or []:
+                episodes = try_get(episode_group, lambda x: x['Episodes'], list)
+                if not episodes:
+                    continue
+                season_info = {
+                    'season': episode_group.get('Title'),
+                    'season_number': int_or_none(episode_group.get('SeasonNumber')),
+                }
+                for n, episode in enumerate(episodes, 1):
+                    codename = try_get(episode, lambda x: x['Codename'], compat_str)
+                    title = episode.get('Title')
+                    if not codename and title and episode.get('HasPlayableStream', True):
+                        continue
+                    info = {
+                        '_type': 'url_transparent',
+                        'thumbnail': url_or_none(try_get(episode, lambda x: x['Image']['Url'])),
+                        'id': codename,
+                        'episode_id': episode.get('Id'),
+                        'title': title,
+                        'alt_title': episode.get('Subtitle'),
+                        'description': episode.get('ShortDescription'),
+                        'timestamp': parse_iso8601(episode.get('PublishDate')),
+                        'episode_number': n,
+                        'age_limit': parse_age_limit(episode.get('AgeRating', episode.get('IsAdultContent') and 18)) or series_info.get('age_limit'),
+                        'url': 'ertflix:%s' % (codename, ),
+                    }
+                    info.update(season_info)
+                    yield info
+
+        result = self.playlist_result((e for e in gen_episode(media_info)), playlist_id=video_id)
+        result.update(series_info)
+        return result
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        if video_id.startswith('ser'):
+            return self._extract_series(video_id)
+
+        video_id = self._search_regex(
+            r'"codenameToId"\s*:\s*\{\s*"([\w-]+)"\s*:\s*"%s"' % (video_id, ),
+            webpage, video_id, default=False) or video_id
+
+        title = self._og_search_title(webpage)
+
+        formats = self._extract_formats(video_id, False)
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': self._og_search_description(webpage),
+            'thumbnail': self._og_search_thumbnail(webpage),
+            'formats': formats,
+        }
diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 6e8fc3961..0ee29e1e7 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -345,6 +345,10 @@ from .embedly import EmbedlyIE
 from .engadget import EngadgetIE
 from .eporner import EpornerIE
 from .eroprofile import EroProfileIE
+from .ertgr import (
+    ERTFlixBaseIE,
+    ERTFlixIE,
+)
 from .escapist import EscapistIE
 from .espn import (
     ESPNIE,