HBO documentaries on iTunes

HBO Documentary Films has a, what do we call video podcasts, a vodcast?  Anyway, has audio and video free on iTunes.

This includes the entire film Too Hot Not to Handle, about the effects of global warming on the United States, in four parts, plus an interview.  Each part is roughly 100 MB.

Part 1
Part 2
Part 3
Part 4

interview with Laurie David