Kurt Jooss. A Commitment to Dance. By Annette von Wangenheim
"The colourful life and distinctive dance style of the seminal choreographer Kurt Jooss (1901-79) are explored in a film that contains a wealth of archive material, including home-movie footage."
Keeping Dance Alive. A Portrait of the Choreographer Mats Ek. By Regina Heidecke
"Mats Ek, one of Europe's most creative and influential dance-makers, acclaimed for the theatricality and immediacy of his work. In this documentary he talks about his varied career."
Although watching on a television screen is easier on the eyes than watching on the computer you can restart the program and then skip ahead to where you had stopped before. And although I haven't checked I doubt very much if these programs are available on dvd.
I hope they expand their offerings -- a wonderful resource.