‘The Last Blockbuster,’ ‘Heaven’s Gate: The Cult of Cults,’ and more Oregon-connected documentaries Updated Jan 28, 2021; Posted Jan 27, 2021 Cult leader Marshall Applewhite, as shown in a segment from the documentary, "Heaven's Gate: The Cult of Cults," currently streaming on HBO Max. (Photo: HBO Max) Facebook Share With everything that went on in 2020, keeping up with documentaries was probably not high on anybody’s must-do list. That might not be your top resolution for 2021, either. But, in the spirit of cleaning up 2020 leftovers, and clearing space for the new year, here’s a look at three documentaries from last year that you can still stream online.