Classic public domain film, digitally preserved and free to stream forever.
The Astral Factor (1978) is a sci-fi thriller in which a convicted strangler in prison develops the ability to make himself invisible through astral projection, escapes, and begins hunting down the women who testified against him — leaving investigators baffled by a killer they cannot see.
Starring Robert Foxworth, Stefanie Powers, and Sue Lyon. This film is in the public domain and free to watch, download, and share.