A dying professor leaves his great-nephew a collection of documents pertaining to the Cthulhu Cult. The nephew begins to learn why the study of the cult so fascinated his grandfather. Bit-by-bit he begins piecing together the dread implications of his grandfather's inquiries, and soon he takes on investigating the Cthulhu cult as a crusade of his own.
Unfortunately the movie The Call of Cthulhu is not yet available on HBO Max.
| Directing | Andrew Leman | Director |
| Writing | Sean Branney | Screenplay |
| Art | Bryan Moore | Prop Designer |
| Writing | H.P. Lovecraft | Short Story |
