Like a year ago I saw a Sun Ra documentary that contained some Thurston. I found it on youtube today. So here you go:
http://www.youtube.com/watch?v=ijDLIUhANWo Part 3
http://www.youtube.com/watch?v=zh8uwMOnJ7Y Part 4
Only parts 3 and 4 contain Thurston. The whole thing is great though.