
In August 2023, Hulu's murder-mystery comedy Only Murders in the Building returned for a standout, star-studded third season, which expanded its world beyond the Arconia to follow a murder investigation set among the cast of a Broadway show, complete with original songs and an added layer of complications for the podcasting trio of Oliver (Martin Short), Charles (Steve Martin), and Mabel (Selena Gomez). Season 3 proved that while the murders themselves may be limited to the walls of the Arconia, the sky's the limit for where the series' characters could go next—including even outside of New York City.
Read on for what we know about the next mystery that Oliver, Charles, and Mabel are on the case of in season 4 of Only Murders in the Building.