У вашего броузера проблема в совместимости с HTML5
Correction: two of the five examples at 7:10 don't actually come from Grimm's law: House/casa and cat/gato.
Click here for the next video:
http://www.youtube.com/watch?v=ErXa5PyHj4I
Intro Song: https://www.youtube.com/watch?v=BR7IOOLAiRo
Outro Song: This one was taken off of Youtube for some reason :(