You can watch the documentary online one the link below.
It's great, but as THD said, it's rather loooong.
Peter can be seen at 62 min and 70 min, where the British blues is in focus. From around 70 min to 80 min Fleetwood Mac's version of "Need Your Love So Bad" is played a lot in the background.
http://www.movshare.net/video/52e40ce845dfc