Elementary Season 4 May 2026

: A new series regular who becomes a central figure throughout the season's overarching mystery.

: Continues to be Sherlock's steadying force and a highly capable detective in her own right, maintaining an "unbreakable friendship" with Sherlock. Elementary Season 4

Season 4 of the CBS series focuses on the complex reintroduction of Sherlock Holmes' estranged father, Morland Holmes (played by John Noble), and the fallout of Sherlock's relapse at the end of the previous season. Key Narrative Arcs : A new series regular who becomes a

: Sherlock and Joan Watson must navigate an uncertain professional future after being fired from their consultancy roles with the NYPD. Much of the early season deals with them proving their worth to regain their positions. Key Narrative Arcs : Sherlock and Joan Watson

: Notable episodes include investigations into high-stakes corporate espionage, a double murder linked to a comic book character, and the "Art Imitates Art" case where a murder matches a scene in a college play. Cast and Characters