They are all going away March 15th:
http://webcast.berkeley.edu/
Here is their post about it:
http://news.berkeley.edu/2017/03/01/course-capture/
Let's archive it all! You can use this script:
https://rg3.github.io/youtube-dl/
The script can automatically download entire youtube playlists in one go.
Just give it the url of the playlist.
Let's organize who's downloading what here:
https://pad.riseup.net/p/cal_webcast_archiving
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marc/juul