This is not a request actually but a question.

Does these videos exist in English version or only in German? They seem to be very interesting but I have no idea what they are talking about :(

http://www.youtube.com/watch?v=tQB_ra4sF_M

http://www.youtube.com/watch?v=Y5VFN94zBvA&t=1570s (part 1/3)