John Hoffman also tells TheWrap the upcoming season will be “very relevant” to New York current events and teases a possible Meryl Streep return Steve Martin and Martin Short in "Only Murders in the Building." (Disney/Patrick Harbron) Note: This story contains spoilers from “Only Murders in the Building” Season 4, Episode 10. As one mystery is solved in “Only Murders in the Building,” another begins. The Season 4 finale saw Charles (Steve Martin), Oliver (Martin Short) and Mabel (Selena Gomez)