other Sherlock Holmes adaptations, this show does not even feature Holmes in any significant role, instead largely taking place after his death, leaving the titular doctor (Morris Chestnut) to his own devices. With Watson leading a medical research facility, he is left to wrestle with both other unique cases and his own traumatic brain injury. All the while, he is the victim of extreme manipulation by Moriarty (Randall Park), who is not content to allow him to rest.

In an interview with ScreenRant at the Critics' Choice Awards, Park explained just what makes his Moriarty differ from previous depictions in Watson. Park believes that his character is more subtle than in previous depictions, as he is both "surprising and unassuming", while also teasing that he will appear many times in season 1, though "more in the second half". Check out his full quote below:

Oh, yes. I'm popping in and out of the season. I recur on the show, more in the second half of the season. I think this version of Moriarty is, by design, a little more surprising and unassuming and someone who kind of blends in really well with the surroundings. I think that's kind of the point of him, and it makes him a little more dangerous in that way.

What The Moriarty Changes Mean For Watson

Watson Will Need To Keep On His Toes

Watson will be playing a very different role in this show, because, as the leading man, it is his responsibility to be the Great Detective. He is the chief medical investigator and the only one who can truly stop Moriarty. That is especially true, as Moriarty has secretly infiltrated Watson's team through a secret agent. He is slowly gathering some rare genetic materials, then secretly attempting to use them against his personal lab rat, named after the titular protagonist.

Most other medical procedurals have few true enemies outside incompetent s.

When it was first proposed to the public, Watson appeared to be the latest attempt to replicate the success of both House and Benedict Cumberbatch's Sherlock. Instead, the show features a clear villain, who is working to undermine Watson's humanitarian efforts. By featuring a subtle and cunning Moriarty, the show sets it apart from other medical dramas on TV, and adaptations of the iconic detective. Watson's cast is filled with stars who can be both brilliant and unassuming, and taking that route allows for far more intrigue.

Our Take On Watson's Moriarty Changes

The Show Is Already Twisting Established Lore

Randall Park as Moriarty in Watson with stolen DNA samples.

Moriarty is generally a subtle character, but he is rarely presented as "unassuming". In the original books, he is arrogant, dangerous, and vaguely "reptilian". In the show, however, he has a friendly face and rarely shies from smiles. He is certainly intelligent, but he is also an extremely non-traditional villain, which makes him feel unpredictable and perfect for a show about detective work and medical mysteries. Moriarty's changed nature makes him the perfect antagonist for Watson, and it will be interesting to see if he delves further into darkness in future episodes.

New episodes of Watson return Sunday, February 16 at 9 p.m. EST on CBS.

Watson - Poster

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Watson
Release Date
January 26, 2025
Network
CBS
Showrunner
Craig Sweeny
  • Headshot Of Morris Chestnut
    Morris Chestnut
    Dr. John Watson
  • Cast Placeholder Image
    Tommy O'Brien
    Zach

WHERE TO WATCH

Streaming

Directors
Larry Teng
Writers
Craig Sweeny
Creator(s)
Craig Sweeny
Main Genre
Mystery
Producers
Morris Chestnut, Aaron Kaplan
Seasons
1