I noticed that they've recently added
Grizzly Man, a documentary about Timothy Treadwell, a amateur naturalist and expert in grizzly bears who spent 13 summers in an Alaskan national park protecting a troop of grizzlies from poaching by living among them, up close and personal. At the end of lucky summer 13, having made an unplanned return to extend his stay after all of the bears he's familiar with have left, he and a girlfriend are attacked and essentially eaten alive by a straggler. This is a sort of documentary biography of his life during these trips, cobbled together by Werner Herzog from hundreds of hours of footage collected by Treadwell, who'd intended to create his own film with it. Treadwell's an interesting (if not particularly endearing) character, not at all what you'd expect.
They also have
Grizzly Man Diaries, an 8-part series put together by Animal Channel from his work. I haven't seen that and may watch it since it's been a while since I saw the movie.