EXCLUSIVE: 'Only Murders in the Building' Greenlit for Season 13 — The Arconia’s Darkest Mystery Yet

Theory A: The Viral Marketing Pivot

The show has always been about true-crime fandom and the blurry line between reality and performance. By "leaking" a fake Season 13, the producers are inviting the audience to become the detectives. Are you really going to ignore a file labeled "S13"? The resulting online conversation has generated more free publicity for Season 4 than a dozen Super Bowl ads.

Thanks to a Season 12 finale cliffhanger where Mabel inherits a tech startup, the trio will use “holographic reenactments” to walk through the Arconia as it looked 100 years ago. Expect cameos from digital de-aging technology—and a guest appearance by a legendary silent film star (rumored to be a CGI-assisted recreation of a Golden Age icon).

Season 13

A would place our protagonists in a very different stage of life. By then, the "Only Murders" podcast wouldn't just be a hobby; it would be a historical institution. We’d likely see: