problem with discovery channel

[mghadam]

Hello,

I couldn't use youtube-dl to download from discovery channel. Here's the output:

[user@svsv ~]# youtube-dl http://www.discovery.com/tv-shows/mythbusters/videos/anti-gravity-device/ --verbose

[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Command-line args: ['http://www.discovery.com/tv-shows/mythbusters/videos/anti-gravity-device/', '--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.12.17.2
[debug] Python version 2.6.6 - Linux-2.6.32-431.29.2.el6.x86_64-x86_64-with-centos-6.6-Final
[debug] exe versions: ffmpeg N-67200-gc0002dd, ffprobe N-67200-gc0002dd, rtmpdump 2.3
[debug] Proxy map: {}
[Discovery] anti-gravity-device: Downloading webpage
ERROR: Unable to extract video list; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 592, in extract_info
ie_result = ie.extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 243, in extract
return self._real_extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/discovery.py", line 32, in _real_extract
webpage, 'video list', flags=re.DOTALL)
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 489, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract video list; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

[jaimeMF]

Discovery videos should be fixed now (9298d4e), thanks for the report!
But the video you linked gives you the message Sorry, this page does not exist, so they may have removed it.