-        video_RE=r'''
-                     <li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)"
-                     ([.\s]*?)data-playlist_item_id="(\d+)"
-                     ([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)"
-                     '''
-        video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>'
-        webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage')
-        m_videos=re.finditer(video_RE,webpage,re.VERBOSE)
-        m_names=re.finditer(video_name_RE,webpage)
-
-        playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>',
-                                                 webpage, 'playlist title')
-
-        playlist_entries = []
-        for m_video, m_name in zip(m_videos,m_names):
-            talk_url='http://www.ted.com%s' % m_name.group('talk_url')
-            playlist_entries.append(self.url_result(talk_url, 'TED'))
-        return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_title)
-
-    def _talk_info(self, url, video_id=0):
-        """Return the video for the talk in the url"""
-        m = re.match(self._VALID_URL, url,re.VERBOSE)
-        video_name = m.group('name')
-        webpage = self._download_webpage(url, video_id, 'Downloading \"%s\" page' % video_name)
-        self.report_extraction(video_name)
-        # If the url includes the language we get the title translated
-        title = self._html_search_regex(r'<span id="altHeadline" >(?P<title>.*)</span>',
-                                        webpage, 'title')
-        json_data = self._search_regex(r'<script.*?>var talkDetails = ({.*?})</script>',
-                                    webpage, 'json data')
-        info = json.loads(json_data)
-        desc = self._html_search_regex(r'<div class="talk-intro">.*?<p.*?>(.*?)</p>',
-                                       webpage, 'description', flags = re.DOTALL)
-        
-        thumbnail = self._search_regex(r'</span>[\s.]*</div>[\s.]*<img src="(.*?)"',
-                                       webpage, 'thumbnail')
-        info = {
-                'id': info['id'],
-                'url': info['htmlStreams'][-1]['file'],
-                'ext': 'mp4',
-                'title': title,
-                'thumbnail': thumbnail,
-                'description': desc,
+
+        webpage = self._download_webpage(url, name,
+                                         'Downloading playlist webpage')
+        info = self._extract_info(webpage)
+
+        playlist_info = try_get(
+            info, lambda x: x['__INITIAL_DATA__']['playlist'],
+            dict) or info['playlist']
+
+        playlist_entries = [
+            self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
+            for talk in try_get(
+                info, lambda x: x['__INITIAL_DATA__']['talks'],
+                dict) or info['talks']
+        ]
+        return self.playlist_result(
+            playlist_entries,
+            playlist_id=compat_str(playlist_info['id']),
+            playlist_title=playlist_info['title'])
+
+    def _talk_info(self, url, video_name):
+        webpage = self._download_webpage(url, video_name)
+
+        info = self._extract_info(webpage)
+
+        data = try_get(info, lambda x: x['__INITIAL_DATA__'], dict) or info
+        talk_info = data['talks'][0]
+
+        title = talk_info['title'].strip()
+
+        native_downloads = try_get(
+            talk_info,
+            (lambda x: x['downloads']['nativeDownloads'],
+             lambda x: x['nativeDownloads']),
+            dict) or {}
+
+        formats = [{
+            'url': format_url,
+            'format_id': format_id,
+            'format': format_id,
+        } for (format_id, format_url) in native_downloads.items() if format_url is not None]
+        if formats:
+            for f in formats:
+                finfo = self._NATIVE_FORMATS.get(f['format_id'])
+                if finfo:
+                    f.update(finfo)
+
+        player_talk = talk_info['player_talks'][0]
+
+        external = player_talk.get('external')
+        if isinstance(external, dict):
+            service = external.get('service')
+            if isinstance(service, compat_str):
+                ext_url = None
+                if service.lower() == 'youtube':
+                    ext_url = external.get('code')
+                return {
+                    '_type': 'url',
+                    'url': ext_url or external['uri'],
+                }
+
+        resources_ = player_talk.get('resources') or talk_info.get('resources')
+
+        http_url = None
+        for format_id, resources in resources_.items():
+            if not isinstance(resources, dict):
+                continue
+            if format_id == 'h264':
+                for resource in resources:
+                    h264_url = resource.get('file')
+                    if not h264_url:
+                        continue
+                    bitrate = int_or_none(resource.get('bitrate'))
+                    formats.append({
+                        'url': h264_url,
+                        'format_id': '%s-%sk' % (format_id, bitrate),
+                        'tbr': bitrate,
+                    })
+                    if re.search(r'\d+k', h264_url):
+                        http_url = h264_url
+            elif format_id == 'rtmp':
+                streamer = talk_info.get('streamer')
+                if not streamer:
+                    continue
+                for resource in resources:
+                    formats.append({
+                        'format_id': '%s-%s' % (format_id, resource.get('name')),
+                        'url': streamer,
+                        'play_path': resource['file'],
+                        'ext': 'flv',
+                        'width': int_or_none(resource.get('width')),
+                        'height': int_or_none(resource.get('height')),
+                        'tbr': int_or_none(resource.get('bitrate')),
+                    })
+            elif format_id == 'hls':
+                stream_url = url_or_none(resources.get('stream'))
+                if not stream_url:
+                    continue
+                formats.extend(self._extract_m3u8_formats(
+                    stream_url, video_name, 'mp4', m3u8_id=format_id,
+                    fatal=False))
+
+        m3u8_formats = list(filter(
+            lambda f: f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none',
+            formats))
+        if http_url:
+            for m3u8_format in m3u8_formats:
+                bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
+                if not bitrate:
+                    continue
+                bitrate_url = re.sub(r'\d+k', bitrate, http_url)
+                if not self._is_valid_url(
+                        bitrate_url, video_name, '%s bitrate' % bitrate):
+                    continue
+                f = m3u8_format.copy()
+                f.update({
+                    'url': bitrate_url,
+                    'format_id': m3u8_format['format_id'].replace('hls', 'http'),
+                    'protocol': 'http',
+                })
+                formats.append(f)
+
+        audio_download = talk_info.get('audioDownload')
+        if audio_download:
+            formats.append({
+                'url': audio_download,
+                'format_id': 'audio',
+                'vcodec': 'none',
+            })
+
+        self._sort_formats(formats)
+
+        video_id = compat_str(talk_info['id'])
+
+        return {
+            'id': video_id,
+            'title': title,
+            'uploader': player_talk.get('speaker') or talk_info.get('speaker'),
+            'thumbnail': player_talk.get('thumb') or talk_info.get('thumb'),
+            'description': self._og_search_description(webpage),
+            'subtitles': self._get_subtitles(video_id, talk_info),
+            'formats': formats,
+            'duration': float_or_none(talk_info.get('duration')),
+            'view_count': int_or_none(data.get('viewed_count')),
+            'comment_count': int_or_none(
+                try_get(data, lambda x: x['comments']['count'])),
+            'tags': try_get(talk_info, lambda x: x['tags'], list),
+        }
+
+    def _get_subtitles(self, video_id, talk_info):
+        sub_lang_list = {}
+        for language in try_get(
+                talk_info,
+                (lambda x: x['downloads']['languages'],
+                 lambda x: x['languages']), list):
+            lang_code = language.get('languageCode') or language.get('ianaCode')
+            if not lang_code:
+                continue
+            sub_lang_list[lang_code] = [
+                {
+                    'url': 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/%s' % (video_id, lang_code, ext),
+                    'ext': ext,