Space opera in Scientology

Scientology founder L. Ron Hubbard routinely referred to "space opera" in his teachings, drawing from science-fiction and weaving it into his origins of human history. In his writings, wherein thetans (roughly comparable to the concept of a human soul) were reincarnated periodically over quadrillions of years, retaining memories of prior lives, to which Hubbard attributed complex narratives about life throughout the universe.

Source: Wikipedia — Space opera in Scientology (CC BY-SA 4.0)