Thriller is an American anthology television series that aired during the 1960–61 and 1961–62 seasons on NBC. The show featured host Boris Karloff introducing a mix of self-contained, macabre weird-horror and morbid, hitchockian crime stories, in some of which he also starred.

The story of the mysterious and brilliant Jack Parsons in 1940s Los Angeles as by day he helps birth the discipline of American rocketry and by night is a performer of sex magick rituals and a disciple to occultist Aleister Crowley.