"The Magnus Archives" is a horror podcast created by Jonathan Sims, which began in 2016. It features the character Jonathan Sims, the head archivist of the fictional Magnus Institute, who reads and analyzes statements from individuals who have experienced supernatural events. Each episode explores different themes of fear and the unknown, often intertwining various narratives. The podcast is known for its intricate storytelling and character development, gradually revealing a larger narrative arc over its five seasons. It has gained a dedicated fanbase and is praised for its unique approach to horror, blending psychological elements with folklore and mythology.