diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 2d67247e6..f41266f32 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -6,8 +6,8 @@
 
 ---
 
-### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2018.09.08*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
-- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2018.09.08**
+### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2018.09.10*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
+- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2018.09.10**
 
 ### Before submitting an *issue* make sure you have:
 - [ ] At least skimmed through the [README](https://github.com/rg3/youtube-dl/blob/master/README.md), **most notably** the [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections
@@ -36,7 +36,7 @@ Add the `-v` flag to **your command line** you run youtube-dl with (`youtube-dl
 [debug] User config: []
 [debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
 [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
-[debug] youtube-dl version 2018.09.08
+[debug] youtube-dl version 2018.09.10
 [debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
 [debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
 [debug] Proxy map: {}
diff --git a/ChangeLog b/ChangeLog
index ac95c9b71..d184f69ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+version 2018.09.10
+
+Core
++ [utils] Properly recognize AV1 codec (#17506)
+
+Extractors
++ [iprima] Add support for prima.iprima.cz (#17514)
++ [tele5] Add support for tele5.de (#7805, #7922, #17331, #17414)
+* [nbc] Fix extraction of percent encoded URLs (#17374)
+
+
 version 2018.09.08
 
 Extractors
diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index f0d6be901..9b8601751 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -847,6 +847,7 @@
  - **techtv.mit.edu**
  - **ted**
  - **Tele13**
+ - **Tele5**
  - **TeleBruxelles**
  - **Telecinco**: telecinco.es, cuatro.com and mediaset.es
  - **Telegraaf**
diff --git a/test/test_utils.py b/test/test_utils.py
index 8da5ccc56..9e28e008f 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -785,6 +785,10 @@ class TestUtil(unittest.TestCase):
             'vcodec': 'h264',
             'acodec': 'aac',
         })
+        self.assertEqual(parse_codecs('av01.0.05M.08'), {
+            'vcodec': 'av01.0.05M.08',
+            'acodec': 'none',
+        })
 
     def test_escape_rfc3986(self):
         reserved = "!*'();:@&=+$,/?#[]"
diff --git a/youtube_dl/extractor/asiancrush.py b/youtube_dl/extractor/asiancrush.py
index 594c88c9c..6d71c5ad5 100644
--- a/youtube_dl/extractor/asiancrush.py
+++ b/youtube_dl/extractor/asiancrush.py
@@ -8,7 +8,6 @@ from .kaltura import KalturaIE
 from ..utils import (
     extract_attributes,
     remove_end,
-    urlencode_postdata,
 )
 
 
@@ -34,19 +33,40 @@ class AsianCrushIE(InfoExtractor):
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
-        data = self._download_json(
-            'https://www.asiancrush.com/wp-admin/admin-ajax.php', video_id,
-            data=urlencode_postdata({
-                'postid': video_id,
-                'action': 'get_channel_kaltura_vars',
-            }))
+        webpage = self._download_webpage(url, video_id)
 
-        entry_id = data['entry_id']
+        entry_id, partner_id, title = [None] * 3
+
+        vars = self._parse_json(
+            self._search_regex(
+                r'iEmbedVars\s*=\s*({.+?})', webpage, 'embed vars',
+                default='{}'), video_id, fatal=False)
+        if vars:
+            entry_id = vars.get('entry_id')
+            partner_id = vars.get('partner_id')
+            title = vars.get('vid_label')
+
+        if not entry_id:
+            entry_id = self._search_regex(
+                r'\bentry_id["\']\s*:\s*["\'](\d+)', webpage, 'entry id')
+
+        player = self._download_webpage(
+            'https://api.asiancrush.com/embeddedVideoPlayer', video_id,
+            query={'id': entry_id})
+
+        kaltura_id = self._search_regex(
+            r'entry_id["\']\s*:\s*(["\'])(?P<id>(?:(?!\1).)+)\1', player,
+            'kaltura id', group='id')
+
+        if not partner_id:
+            partner_id = self._search_regex(
+                r'/p(?:artner_id)?/(\d+)', player, 'partner id',
+                default='513551')
 
         return self.url_result(
-            'kaltura:%s:%s' % (data['partner_id'], entry_id),
-            ie=KalturaIE.ie_key(), video_id=entry_id,
-            video_title=data.get('vid_label'))
+            'kaltura:%s:%s' % (partner_id, kaltura_id),
+            ie=KalturaIE.ie_key(), video_id=kaltura_id,
+            video_title=title)
 
 
 class AsianCrushPlaylistIE(InfoExtractor):
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index b8bbaf81a..2dbf81e6e 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -211,6 +211,11 @@ class InfoExtractor(object):
                     If not explicitly set, calculated from timestamp.
     uploader_id:    Nickname or id of the video uploader.
     uploader_url:   Full URL to a personal webpage of the video uploader.
+    channel:        Full name of the channel the video is uploaded on.
+                    Note that channel fields may or may not repeat uploader
+                    fields. This depends on a particular extractor.
+    channel_id:     Id of the channel.
+    channel_url:    Full URL to a channel webpage.
     location:       Physical location where the video was filmed.
     subtitles:      The available subtitles as a dictionary in the format
                     {tag: subformats}. "tag" is usually a language code, and
@@ -1701,9 +1706,9 @@ class InfoExtractor(object):
                 # However, this is not always respected, for example, [2]
                 # contains EXT-X-STREAM-INF tag which references AUDIO
                 # rendition group but does not have CODECS and despite
-                # referencing audio group an audio group, it represents
-                # a complete (with audio and video) format. So, for such cases
-                # we will ignore references to rendition groups and treat them
+                # referencing an audio group it represents a complete
+                # (with audio and video) format. So, for such cases we will
+                # ignore references to rendition groups and treat them
                 # as complete formats.
                 if audio_group_id and codecs and f.get('vcodec') != 'none':
                     audio_group = groups.get(audio_group_id)
diff --git a/youtube_dl/extractor/dtube.py b/youtube_dl/extractor/dtube.py
index 4ca97f860..5887887e1 100644
--- a/youtube_dl/extractor/dtube.py
+++ b/youtube_dl/extractor/dtube.py
@@ -59,7 +59,7 @@ class DTubeIE(InfoExtractor):
             try:
                 self.to_screen('%s: Checking %s video format URL' % (video_id, format_id))
                 self._downloader._opener.open(video_url, timeout=5).close()
-            except timeout as e:
+            except timeout:
                 self.to_screen(
                     '%s: %s URL is invalid, skipping' % (video_id, format_id))
                 continue
diff --git a/youtube_dl/extractor/eporner.py b/youtube_dl/extractor/eporner.py
index 6d03d7095..c050bf9df 100644
--- a/youtube_dl/extractor/eporner.py
+++ b/youtube_dl/extractor/eporner.py
@@ -9,6 +9,7 @@ from ..utils import (
     encode_base_n,
     ExtractorError,
     int_or_none,
+    merge_dicts,
     parse_duration,
     str_to_int,
     url_or_none,
@@ -25,10 +26,16 @@ class EpornerIE(InfoExtractor):
             'display_id': 'Infamous-Tiffany-Teen-Strip-Tease-Video',
             'ext': 'mp4',
             'title': 'Infamous Tiffany Teen Strip Tease Video',
+            'description': 'md5:764f39abf932daafa37485eb46efa152',
+            'timestamp': 1232520922,
+            'upload_date': '20090121',
             'duration': 1838,
             'view_count': int,
             'age_limit': 18,
         },
+        'params': {
+            'proxy': '127.0.0.1:8118'
+        }
     }, {
         # New (May 2016) URL layout
         'url': 'http://www.eporner.com/hd-porn/3YRUtzMcWn0/Star-Wars-XXX-Parody/',
@@ -104,12 +111,15 @@ class EpornerIE(InfoExtractor):
                     })
         self._sort_formats(formats)
 
-        duration = parse_duration(self._html_search_meta('duration', webpage))
+        json_ld = self._search_json_ld(webpage, display_id, default={})
+
+        duration = parse_duration(self._html_search_meta(
+            'duration', webpage, default=None))
         view_count = str_to_int(self._search_regex(
             r'id="cinemaviews">\s*([0-9,]+)\s*<small>views',
             webpage, 'view count', fatal=False))
 
-        return {
+        return merge_dicts(json_ld, {
             'id': video_id,
             'display_id': display_id,
             'title': title,
@@ -117,4 +127,4 @@ class EpornerIE(InfoExtractor):
             'view_count': view_count,
             'formats': formats,
             'age_limit': 18,
-        }
+        })
diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 995af9988..7dc569724 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -1086,6 +1086,7 @@ from .teachingchannel import TeachingChannelIE
 from .teamcoco import TeamcocoIE
 from .techtalks import TechTalksIE
 from .ted import TEDIE
+from .tele5 import Tele5IE
 from .tele13 import Tele13IE
 from .telebruxelles import TeleBruxellesIE
 from .telecinco import TelecincoIE
diff --git a/youtube_dl/extractor/fourtube.py b/youtube_dl/extractor/fourtube.py
index ad273a0e7..a9a1f911e 100644
--- a/youtube_dl/extractor/fourtube.py
+++ b/youtube_dl/extractor/fourtube.py
@@ -3,15 +3,45 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
-from ..compat import compat_urlparse
+from ..compat import (
+    compat_b64decode,
+    compat_str,
+    compat_urllib_parse_unquote,
+    compat_urlparse,
+)
 from ..utils import (
+    int_or_none,
     parse_duration,
     parse_iso8601,
+    str_or_none,
     str_to_int,
+    try_get,
+    unified_timestamp,
+    url_or_none,
 )
 
 
 class FourTubeBaseIE(InfoExtractor):
+    _TKN_HOST = 'tkn.kodicdn.com'
+
+    def _extract_formats(self, url, video_id, media_id, sources):
+        token_url = 'https://%s/%s/desktop/%s' % (
+            self._TKN_HOST, media_id, '+'.join(sources))
+
+        parsed_url = compat_urlparse.urlparse(url)
+        tokens = self._download_json(token_url, video_id, data=b'', headers={
+            'Origin': '%s://%s' % (parsed_url.scheme, parsed_url.hostname),
+            'Referer': url,
+        })
+        formats = [{
+            'url': tokens[format]['token'],
+            'format_id': format + 'p',
+            'resolution': format + 'p',
+            'quality': int(format),
+        } for format in sources]
+        self._sort_formats(formats)
+        return formats
+
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         kind, video_id, display_id = mobj.group('kind', 'id', 'display_id')
@@ -68,21 +98,7 @@ class FourTubeBaseIE(InfoExtractor):
             media_id = params[0]
             sources = ['%s' % p for p in params[2]]
 
-        token_url = 'https://tkn.kodicdn.com/{0}/desktop/{1}'.format(
-            media_id, '+'.join(sources))
-
-        parsed_url = compat_urlparse.urlparse(url)
-        tokens = self._download_json(token_url, video_id, data=b'', headers={
-            'Origin': '%s://%s' % (parsed_url.scheme, parsed_url.hostname),
-            'Referer': url,
-        })
-        formats = [{
-            'url': tokens[format]['token'],
-            'format_id': format + 'p',
-            'resolution': format + 'p',
-            'quality': int(format),
-        } for format in sources]
-        self._sort_formats(formats)
+        formats = self._extract_formats(url, video_id, media_id, sources)
 
         return {
             'id': video_id,
@@ -164,6 +180,7 @@ class FuxIE(FourTubeBaseIE):
 class PornTubeIE(FourTubeBaseIE):
     _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?porntube\.com/(?:videos/(?P<display_id>[^/]+)_|embed/)(?P<id>\d+)'
     _URL_TEMPLATE = 'https://www.porntube.com/videos/video_%s'
+    _TKN_HOST = 'tkn.porntube.com'
     _TESTS = [{
         'url': 'https://www.porntube.com/videos/teen-couple-doing-anal_7089759',
         'info_dict': {
@@ -171,13 +188,32 @@ class PornTubeIE(FourTubeBaseIE):
             'ext': 'mp4',
             'title': 'Teen couple doing anal',
             'uploader': 'Alexy',
-            'uploader_id': 'Alexy',
+            'uploader_id': '91488',
             'upload_date': '20150606',
             'timestamp': 1433595647,
             'duration': 5052,
             'view_count': int,
             'like_count': int,
-            'categories': list,
+            'age_limit': 18,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.porntube.com/videos/squirting-teen-ballerina-ecg_1331406',
+        'info_dict': {
+            'id': '1331406',
+            'ext': 'mp4',
+            'title': 'Squirting Teen Ballerina on ECG',
+            'uploader': 'Exploited College Girls',
+            'uploader_id': '665',
+            'channel': 'Exploited College Girls',
+            'channel_id': '665',
+            'upload_date': '20130920',
+            'timestamp': 1379685485,
+            'duration': 851,
+            'view_count': int,
+            'like_count': int,
             'age_limit': 18,
         },
         'params': {
@@ -191,6 +227,55 @@ class PornTubeIE(FourTubeBaseIE):
         'only_matching': True,
     }]
 
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id, display_id = mobj.group('id', 'display_id')
+
+        webpage = self._download_webpage(url, display_id)
+
+        video = self._parse_json(
+            self._search_regex(
+                r'INITIALSTATE\s*=\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
+                webpage, 'data', group='value'), video_id,
+            transform_source=lambda x: compat_urllib_parse_unquote(
+                compat_b64decode(x).decode('utf-8')))['page']['video']
+
+        title = video['title']
+        media_id = video['mediaId']
+        sources = [compat_str(e['height'])
+                   for e in video['encodings'] if e.get('height')]
+        formats = self._extract_formats(url, video_id, media_id, sources)
+
+        thumbnail = url_or_none(video.get('masterThumb'))
+        uploader = try_get(video, lambda x: x['user']['username'], compat_str)
+        uploader_id = str_or_none(try_get(
+            video, lambda x: x['user']['id'], int))
+        channel = try_get(video, lambda x: x['channel']['name'], compat_str)
+        channel_id = str_or_none(try_get(
+            video, lambda x: x['channel']['id'], int))
+        like_count = int_or_none(video.get('likes'))
+        dislike_count = int_or_none(video.get('dislikes'))
+        view_count = int_or_none(video.get('playsQty'))
+        duration = int_or_none(video.get('durationInSeconds'))
+        timestamp = unified_timestamp(video.get('publishedAt'))
+
+        return {
+            'id': video_id,
+            'title': title,
+            'formats': formats,
+            'thumbnail': thumbnail,
+            'uploader': uploader or channel,
+            'uploader_id': uploader_id or channel_id,
+            'channel': channel,
+            'channel_id': channel_id,
+            'timestamp': timestamp,
+            'like_count': like_count,
+            'dislike_count': dislike_count,
+            'view_count': view_count,
+            'duration': duration,
+            'age_limit': 18,
+        }
+
 
 class PornerBrosIE(FourTubeBaseIE):
     _VALID_URL = r'https?://(?:(?P<kind>www|m)\.)?pornerbros\.com/(?:videos/(?P<display_id>[^/]+)_|embed/)(?P<id>\d+)'
diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index 1db154c4f..76ef01332 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -3112,7 +3112,7 @@ class GenericIE(InfoExtractor):
             return self.playlist_from_matches(
                 foxnews_urls, video_id, video_title, ie=FoxNewsIE.ie_key())
 
-        sharevideos_urls = [mobj.group('url') for mobj in re.finditer(
+        sharevideos_urls = [sharevideos_mobj.group('url') for sharevideos_mobj in re.finditer(
             r'<iframe[^>]+?\bsrc\s*=\s*(["\'])(?P<url>(?:https?:)?//embed\.share-videos\.se/auto/embed/\d+\?.*?\buid=\d+.*?)\1',
             webpage)]
         if sharevideos_urls:
diff --git a/youtube_dl/extractor/iprima.py b/youtube_dl/extractor/iprima.py
index 3c4b7e48b..1d58d6e85 100644
--- a/youtube_dl/extractor/iprima.py
+++ b/youtube_dl/extractor/iprima.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class IPrimaIE(InfoExtractor):
-    _VALID_URL = r'https?://play\.iprima\.cz/(?:.+/)?(?P<id>[^?#]+)'
+    _VALID_URL = r'https?://(?:play|prima)\.iprima\.cz/(?:.+/)?(?P<id>[^?#]+)'
     _GEO_BYPASS = False
 
     _TESTS = [{
@@ -33,6 +33,14 @@ class IPrimaIE(InfoExtractor):
         # geo restricted
         'url': 'http://play.iprima.cz/closer-nove-pripady/closer-nove-pripady-iv-1',
         'only_matching': True,
+    }, {
+        # iframe api.play-backend.iprima.cz
+        'url': 'https://prima.iprima.cz/my-little-pony/mapa-znameni-2-2',
+        'only_matching': True,
+    }, {
+        # iframe prima.iprima.cz
+        'url': 'https://prima.iprima.cz/porady/jak-se-stavi-sen/rodina-rathousova-praha',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
@@ -42,7 +50,10 @@ class IPrimaIE(InfoExtractor):
 
         webpage = self._download_webpage(url, video_id)
 
-        video_id = self._search_regex(r'data-product="([^"]+)">', webpage, 'real id')
+        video_id = self._search_regex(
+            (r'<iframe[^>]+\bsrc=["\'](?:https?:)?//(?:api\.play-backend\.iprima\.cz/prehravac/embedded|prima\.iprima\.cz/[^/]+/[^/]+)\?.*?\bid=(p\d+)',
+             r'data-product="([^"]+)">'),
+            webpage, 'real id')
 
         playerpage = self._download_webpage(
             'http://play.iprima.cz/prehravac/init',
diff --git a/youtube_dl/extractor/motherless.py b/youtube_dl/extractor/motherless.py
index bed5645f2..d4bd273b6 100644
--- a/youtube_dl/extractor/motherless.py
+++ b/youtube_dl/extractor/motherless.py
@@ -167,9 +167,9 @@ class MotherlessGroupIE(InfoExtractor):
         if not entries:
             entries = [
                 self.url_result(
-                    compat_urlparse.urljoin(base, '/' + video_id),
-                    ie=MotherlessIE.ie_key(), video_id=video_id)
-                for video_id in orderedSet(re.findall(
+                    compat_urlparse.urljoin(base, '/' + entry_id),
+                    ie=MotherlessIE.ie_key(), video_id=entry_id)
+                for entry_id in orderedSet(re.findall(
                     r'data-codename=["\']([A-Z0-9]+)', webpage))]
         return entries
 
diff --git a/youtube_dl/extractor/nbc.py b/youtube_dl/extractor/nbc.py
index c843f8649..765c46fd2 100644
--- a/youtube_dl/extractor/nbc.py
+++ b/youtube_dl/extractor/nbc.py
@@ -7,6 +7,7 @@ import re
 from .common import InfoExtractor
 from .theplatform import ThePlatformIE
 from .adobepass import AdobePassIE
+from ..compat import compat_urllib_parse_unquote
 from ..utils import (
     find_xpath_attr,
     smuggle_url,
@@ -75,11 +76,16 @@ class NBCIE(AdobePassIE):
             'url': 'https://www.nbc.com/classic-tv/charles-in-charge/video/charles-in-charge-pilot/n3310',
             'only_matching': True,
         },
+        {
+            # Percent escaped url
+            'url': 'https://www.nbc.com/up-all-night/video/day-after-valentine%27s-day/n2189',
+            'only_matching': True,
+        }
     ]
 
     def _real_extract(self, url):
         permalink, video_id = re.match(self._VALID_URL, url).groups()
-        permalink = 'http' + permalink
+        permalink = 'http' + compat_urllib_parse_unquote(permalink)
         response = self._download_json(
             'https://api.nbc.com/v3/videos', video_id, query={
                 'filter[permalink]': permalink,
diff --git a/youtube_dl/extractor/pornhub.py b/youtube_dl/extractor/pornhub.py
index 6782848d9..19eaf389f 100644
--- a/youtube_dl/extractor/pornhub.py
+++ b/youtube_dl/extractor/pornhub.py
@@ -40,6 +40,7 @@ class PornHubIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Seductive Indian beauty strips down and fingers her pink pussy',
             'uploader': 'Babes',
+            'upload_date': '20130628',
             'duration': 361,
             'view_count': int,
             'like_count': int,
@@ -57,6 +58,7 @@ class PornHubIE(InfoExtractor):
             'ext': 'mp4',
             'title': '重庆婷婷女王足交',
             'uploader': 'Unknown',
+            'upload_date': '20150213',
             'duration': 1753,
             'view_count': int,
             'like_count': int,
@@ -237,8 +239,14 @@ class PornHubIE(InfoExtractor):
                 video_urls.append((video_url, None))
                 video_urls_set.add(video_url)
 
+        upload_date = None
         formats = []
         for video_url, height in video_urls:
+            if not upload_date:
+                upload_date = self._search_regex(
+                    r'/(\d{6}/\d{2})/', video_url, 'upload data', default=None)
+                if upload_date:
+                    upload_date = upload_date.replace('/', '')
             tbr = None
             mobj = re.search(r'(?P<height>\d+)[pP]?_(?P<tbr>\d+)[kK]', video_url)
             if mobj:
@@ -278,6 +286,7 @@ class PornHubIE(InfoExtractor):
         return {
             'id': video_id,
             'uploader': video_uploader,
+            'upload_date': upload_date,
             'title': title,
             'thumbnail': thumbnail,
             'duration': duration,
diff --git a/youtube_dl/extractor/seznamzpravy.py b/youtube_dl/extractor/seznamzpravy.py
index 6d4e3b76d..7a1c7e38b 100644
--- a/youtube_dl/extractor/seznamzpravy.py
+++ b/youtube_dl/extractor/seznamzpravy.py
@@ -164,6 +164,6 @@ class SeznamZpravyArticleIE(InfoExtractor):
         description = info.get('description') or self._og_search_description(webpage)
 
         return self.playlist_result([
-            self.url_result(url, ie=SeznamZpravyIE.ie_key())
-            for url in SeznamZpravyIE._extract_urls(webpage)],
+            self.url_result(entry_url, ie=SeznamZpravyIE.ie_key())
+            for entry_url in SeznamZpravyIE._extract_urls(webpage)],
             article_id, title, description)
diff --git a/youtube_dl/extractor/tele5.py b/youtube_dl/extractor/tele5.py
new file mode 100644
index 000000000..25573e49f
--- /dev/null
+++ b/youtube_dl/extractor/tele5.py
@@ -0,0 +1,44 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from .nexx import NexxIE
+from ..compat import compat_urlparse
+
+
+class Tele5IE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?tele5\.de/(?:mediathek|tv)/(?P<id>[^?#&]+)'
+    _TESTS = [{
+        'url': 'https://www.tele5.de/mediathek/filme-online/videos?vid=1549416',
+        'info_dict': {
+            'id': '1549416',
+            'ext': 'mp4',
+            'upload_date': '20180814',
+            'timestamp': 1534290623,
+            'title': 'Pandorum',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.tele5.de/tv/kalkofes-mattscheibe/video-clips/politik-und-gesellschaft?ve_id=1551191',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.tele5.de/tv/dark-matter/videos',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
+        video_id = (qs.get('vid') or qs.get('ve_id') or [None])[0]
+
+        if not video_id:
+            display_id = self._match_id(url)
+            webpage = self._download_webpage(url, display_id)
+            video_id = self._html_search_regex(
+                r'id\s*=\s*["\']video-player["\'][^>]+data-id\s*=\s*["\'](\d+)',
+                webpage, 'video id')
+
+        return self.url_result(
+            'https://api.nexx.cloud/v3/759/videos/byid/%s' % video_id,
+            ie=NexxIE.ie_key(), video_id=video_id)
diff --git a/youtube_dl/extractor/tube8.py b/youtube_dl/extractor/tube8.py
index 368c45729..db93b0182 100644
--- a/youtube_dl/extractor/tube8.py
+++ b/youtube_dl/extractor/tube8.py
@@ -45,7 +45,7 @@ class Tube8IE(KeezMoviesIE):
                 r'videoTitle\s*=\s*"([^"]+)', webpage, 'title')
 
         description = self._html_search_regex(
-            r'>Description:</strong>\s*(.+?)\s*<', webpage, 'description', fatal=False)
+            r'(?s)Description:</dt>\s*<dd>(.+?)</dd>', webpage, 'description', fatal=False)
         uploader = self._html_search_regex(
             r'<span class="username">\s*(.+?)\s*<',
             webpage, 'uploader', fatal=False)
@@ -55,19 +55,19 @@ class Tube8IE(KeezMoviesIE):
         dislike_count = int_or_none(self._search_regex(
             r'rdownVar\s*=\s*"(\d+)"', webpage, 'dislike count', fatal=False))
         view_count = str_to_int(self._search_regex(
-            r'<strong>Views: </strong>([\d,\.]+)\s*</li>',
+            r'Views:\s*</dt>\s*<dd>([\d,\.]+)',
             webpage, 'view count', fatal=False))
         comment_count = str_to_int(self._search_regex(
             r'<span id="allCommentsCount">(\d+)</span>',
             webpage, 'comment count', fatal=False))
 
         category = self._search_regex(
-            r'Category:\s*</strong>\s*<a[^>]+href=[^>]+>([^<]+)',
+            r'Category:\s*</dt>\s*<dd>\s*<a[^>]+href=[^>]+>([^<]+)',
             webpage, 'category', fatal=False)
         categories = [category] if category else None
 
         tags_str = self._search_regex(
-            r'(?s)Tags:\s*</strong>(.+?)</(?!a)',
+            r'(?s)Tags:\s*</dt>\s*<dd>(.+?)</(?!a)',
             webpage, 'tags', fatal=False)
         tags = [t for t in re.findall(
             r'<a[^>]+href=[^>]+>([^<]+)', tags_str)] if tags_str else None
diff --git a/youtube_dl/extractor/twitch.py b/youtube_dl/extractor/twitch.py
index b39972b1e..26661fdf6 100644
--- a/youtube_dl/extractor/twitch.py
+++ b/youtube_dl/extractor/twitch.py
@@ -559,7 +559,8 @@ class TwitchStreamIE(TwitchBaseIE):
                     TwitchAllVideosIE,
                     TwitchUploadsIE,
                     TwitchPastBroadcastsIE,
-                    TwitchHighlightsIE))
+                    TwitchHighlightsIE,
+                    TwitchClipsIE))
                 else super(TwitchStreamIE, cls).suitable(url))
 
     def _real_extract(self, url):
@@ -633,7 +634,7 @@ class TwitchStreamIE(TwitchBaseIE):
 
 class TwitchClipsIE(TwitchBaseIE):
     IE_NAME = 'twitch:clips'
-    _VALID_URL = r'https?://clips\.twitch\.tv/(?:[^/]+/)*(?P<id>[^/?#&]+)'
+    _VALID_URL = r'https?://(?:clips\.twitch\.tv/(?:[^/]+/)*|(?:www\.)?twitch\.tv/[^/]+/clip/)(?P<id>[^/?#&]+)'
 
     _TESTS = [{
         'url': 'https://clips.twitch.tv/FaintLightGullWholeWheat',
@@ -653,6 +654,9 @@ class TwitchClipsIE(TwitchBaseIE):
         # multiple formats
         'url': 'https://clips.twitch.tv/rflegendary/UninterestedBeeDAESuppy',
         'only_matching': True,
+    }, {
+        'url': 'https://www.twitch.tv/sergeynixon/clip/StormyThankfulSproutFutureMan',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
diff --git a/youtube_dl/extractor/vimeo.py b/youtube_dl/extractor/vimeo.py
index e49b233f2..0a9239b62 100644
--- a/youtube_dl/extractor/vimeo.py
+++ b/youtube_dl/extractor/vimeo.py
@@ -299,10 +299,13 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'uploader_url': r're:https?://(?:www\.)?vimeo\.com/atencio',
                 'uploader_id': 'atencio',
                 'uploader': 'Peter Atencio',
+                'channel_id': 'keypeele',
+                'channel_url': r're:https?://(?:www\.)?vimeo\.com/channels/keypeele',
                 'timestamp': 1380339469,
                 'upload_date': '20130928',
                 'duration': 187,
             },
+            'expected_warnings': ['Unable to download JSON metadata'],
         },
         {
             'url': 'http://vimeo.com/76979871',
@@ -355,11 +358,13 @@ class VimeoIE(VimeoBaseInfoExtractor):
             'url': 'https://vimeo.com/channels/tributes/6213729',
             'info_dict': {
                 'id': '6213729',
-                'ext': 'mov',
+                'ext': 'mp4',
                 'title': 'Vimeo Tribute: The Shining',
                 'uploader': 'Casey Donahue',
                 'uploader_url': r're:https?://(?:www\.)?vimeo\.com/caseydonahue',
                 'uploader_id': 'caseydonahue',
+                'channel_url': r're:https?://(?:www\.)?vimeo\.com/channels/tributes',
+                'channel_id': 'tributes',
                 'timestamp': 1250886430,
                 'upload_date': '20090821',
                 'description': 'md5:bdbf314014e58713e6e5b66eb252f4a6',
@@ -465,6 +470,9 @@ class VimeoIE(VimeoBaseInfoExtractor):
         if 'Referer' not in headers:
             headers['Referer'] = url
 
+        channel_id = self._search_regex(
+            r'vimeo\.com/channels/([^/]+)', url, 'channel id', default=None)
+
         # Extract ID from URL
         mobj = re.match(self._VALID_URL, url)
         video_id = mobj.group('id')
@@ -563,19 +571,23 @@ class VimeoIE(VimeoBaseInfoExtractor):
             if config.get('view') == 4:
                 config = self._verify_player_video_password(redirect_url, video_id)
 
+        vod = config.get('video', {}).get('vod', {})
+
         def is_rented():
             if '>You rented this title.<' in webpage:
                 return True
             if config.get('user', {}).get('purchased'):
                 return True
-            label = try_get(
-                config, lambda x: x['video']['vod']['purchase_options'][0]['label_string'], compat_str)
-            if label and label.startswith('You rented this'):
-                return True
+            for purchase_option in vod.get('purchase_options', []):
+                if purchase_option.get('purchased'):
+                    return True
+                label = purchase_option.get('label_string')
+                if label and (label.startswith('You rented this') or label.endswith(' remaining')):
+                    return True
             return False
 
-        if is_rented():
-            feature_id = config.get('video', {}).get('vod', {}).get('feature_id')
+        if is_rented() and vod.get('is_trailer'):
+            feature_id = vod.get('feature_id')
             if feature_id and not data.get('force_feature_id', False):
                 return self.url_result(smuggle_url(
                     'https://player.vimeo.com/player/%s' % feature_id,
@@ -652,6 +664,8 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 r'<link[^>]+rel=["\']license["\'][^>]+href=(["\'])(?P<license>(?:(?!\1).)+)\1',
                 webpage, 'license', default=None, group='license')
 
+        channel_url = 'https://vimeo.com/channels/%s' % channel_id if channel_id else None
+
         info_dict = {
             'id': video_id,
             'formats': formats,
@@ -662,6 +676,8 @@ class VimeoIE(VimeoBaseInfoExtractor):
             'like_count': like_count,
             'comment_count': comment_count,
             'license': cc_license,
+            'channel_id': channel_id,
+            'channel_url': channel_url,
         }
 
         info_dict = merge_dicts(info_dict, info_dict_config, json_ld)
diff --git a/youtube_dl/extractor/vzaar.py b/youtube_dl/extractor/vzaar.py
index 02fcd52c7..6000671c3 100644
--- a/youtube_dl/extractor/vzaar.py
+++ b/youtube_dl/extractor/vzaar.py
@@ -4,15 +4,19 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
+from ..compat import compat_str
 from ..utils import (
     int_or_none,
     float_or_none,
+    unified_timestamp,
+    url_or_none,
 )
 
 
 class VzaarIE(InfoExtractor):
     _VALID_URL = r'https?://(?:(?:www|view)\.)?vzaar\.com/(?:videos/)?(?P<id>\d+)'
     _TESTS = [{
+        # HTTP and HLS
         'url': 'https://vzaar.com/videos/1152805',
         'md5': 'bde5ddfeb104a6c56a93a06b04901dbf',
         'info_dict': {
@@ -40,24 +44,48 @@ class VzaarIE(InfoExtractor):
         video_id = self._match_id(url)
         video_data = self._download_json(
             'http://view.vzaar.com/v2/%s/video' % video_id, video_id)
-        source_url = video_data['sourceUrl']
 
-        info = {
+        title = video_data['videoTitle']
+
+        formats = []
+
+        source_url = url_or_none(video_data.get('sourceUrl'))
+        if source_url:
+            f = {
+                'url': source_url,
+                'format_id': 'http',
+            }
+            if 'audio' in source_url:
+                f.update({
+                    'vcodec': 'none',
+                    'ext': 'mp3',
+                })
+            else:
+                f.update({
+                    'width': int_or_none(video_data.get('width')),
+                    'height': int_or_none(video_data.get('height')),
+                    'ext': 'mp4',
+                    'fps': float_or_none(video_data.get('fps')),
+                })
+            formats.append(f)
+
+        video_guid = video_data.get('guid')
+        usp = video_data.get('usp')
+        if isinstance(video_guid, compat_str) and isinstance(usp, dict):
+            m3u8_url = ('http://fable.vzaar.com/v4/usp/%s/%s.ism/.m3u8?'
+                        % (video_guid, video_id)) + '&'.join(
+                '%s=%s' % (k, v) for k, v in usp.items())
+            formats.extend(self._extract_m3u8_formats(
+                m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                m3u8_id='hls', fatal=False))
+
+        self._sort_formats(formats)
+
+        return {
             'id': video_id,
-            'title': video_data['videoTitle'],
-            'url': source_url,
+            'title': title,
             'thumbnail': self._proto_relative_url(video_data.get('poster')),
             'duration': float_or_none(video_data.get('videoDuration')),
+            'timestamp': unified_timestamp(video_data.get('ts')),
+            'formats': formats,
         }
-        if 'audio' in source_url:
-            info.update({
-                'vcodec': 'none',
-                'ext': 'mp3',
-            })
-        else:
-            info.update({
-                'width': int_or_none(video_data.get('width')),
-                'height': int_or_none(video_data.get('height')),
-                'ext': 'mp4',
-            })
-        return info
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 27047425d..2fe074cb4 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -490,6 +490,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader': 'Philipp Hagemeister',
                 'uploader_id': 'phihag',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
+                'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
+                'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
                 'upload_date': '20121002',
                 'license': 'Standard YouTube License',
                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
@@ -1907,6 +1909,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         else:
             self._downloader.report_warning('unable to extract uploader nickname')
 
+        channel_id = self._html_search_meta(
+            'channelId', video_webpage, 'channel id')
+        channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
+
         # thumbnail image
         # We try first to get a high quality image:
         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
@@ -2078,6 +2084,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'uploader': video_uploader,
             'uploader_id': video_uploader_id,
             'uploader_url': video_uploader_url,
+            'channel_id': channel_id,
+            'channel_url': channel_url,
             'upload_date': upload_date,
             'license': video_license,
             'creator': video_creator or artist,
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index bcfb72d43..e84d35d4d 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -2477,7 +2477,7 @@ def parse_codecs(codecs_str):
     vcodec, acodec = None, None
     for full_codec in splited_codecs:
         codec = full_codec.split('.')[0]
-        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1'):
+        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01'):
             if not vcodec:
                 vcodec = full_codec
         elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
diff --git a/youtube_dl/version.py b/youtube_dl/version.py
index 716d9ffe0..b078c4993 100644
--- a/youtube_dl/version.py
+++ b/youtube_dl/version.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-__version__ = '2018.09.08'
+__version__ = '2018.09.10'