Unable to extract subtitles from TV3Play.no

[TRox1972]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.04.24. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2016.04.24

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• Searched the bugtracker for similar issues including closed ones

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

$ youtube-dl -v --skip-download --write-sub http://www.tv3play.no/programmer/the-daily-show/725244
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'--skip-download', u'--write-sub', u'http://www.tv3play.no/programmer/the-daily-show/725244']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.04.19
[debug] Python version 2.7.11 - Darwin-15.3.0-x86_64-i386-64bit
[debug] exe versions: avconv 11.4, avprobe 11.4, ffmpeg 3.0.1, ffprobe 3.0.1, rtmpdump 2.4
[debug] Proxy map: {}
[TVPlay] 725244: Downloading video JSON
WARNING: [TVPlay] This content might not be available in your country due to copyright reasons
[TVPlay] 725244: Downloading streams JSON
[TVPlay] 725244: Downloading f4m manifest

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Description of your issue, suggested solution and other information

When I try to only download the subtitles of a video, it fails, even though I am able to watch the video with subtitles from a web browser.