Watson Episode Rating Graph
Jan 2025 - present

Jan 2025 - present
6.4

| E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | E13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | |||||||||||||
| S2 |
Browse episode ratings trends for Watson. Simply click on the interactive rating graph to explore the best and worst of Watson's 27 episodes.

S1 Ep13
7.8
11th May 2025
Watson and the team are faced with an impossible choice when two lives hang in the balance, but they only have one vial of antidote available. Meanwhile, Shinwell races to help the team, and Watson goes head to head with Moriarty.

S2 Ep1
7.7
13th Oct 2025
Watson and the fellows spring back into action when Mary’s mother accidentally poisons herself while suffering from a rare form of dementia that is progressing with impossible speed. Meanwhile, Sherlock Holmes resurfaces after being presumed dead.
S2 Ep6
7.6
17th Nov 2025
Watson and the fellows race against time to save the life of Xavier, a 21-year-old athlete with a fast-growing, seemingly incurable cancer. Meanwhile, Mycroft Holmes lets Watson know his team’s work at UHOP may no longer have funding available.

S2 Ep3
7.6
27th Oct 2025
Watson and the team work alongside Laila to help a patient named Maxine, a 30-year-old who looks 10 years old.

S1 Ep12
7.6
4th May 2025
When part of the team falls ill after becoming targets of a sinister plot, it becomes an all-hands-on-deck situation to save them before it's too late. Meanwhile, Watson announces a new ambitious project that he has been working on.

S2 Ep7
7.6
24th Nov 2025
Watson's father, Hamish, visits UHOP to introduce Watson and the fellows to his protégé, Annabelle, a saxophone prodigy with musically induced blackouts. As Annabelle's condition worsens, Watson must confront his long-standing tensions with his father in order to save her.

S1 Ep1
6.8
26th Jan 2025
Dr. John Watson resumes his medical career as the head of a clinic dedicated to treating rare disorders six months after the death of his friend and partner, Sherlock Holmes, at the hands of Moriarty.

S1 Ep2
7.2
16th Feb 2025
Watson and the fellows investigate the perplexing case of a family man with a bullet lodged in his head who insists he is a Scottish soldier and seems to be hiding something nefarious.

S1 Ep4
7.3
2nd Mar 2025
When Sasha discovers a link between her current patient, who has advanced cancers and distinctive lesions on his tongue indicative of Cowden syndrome, and a cadaver she dissected during medical school, the team traces the case to Amish country.

S1 Ep3
7.4
23rd Feb 2025
Watson and the fellows treat a comedian who collapses at an open mic night, but throughout the case her past is revealed to be much more complex than initially believed.

S2 Ep2
7.4
20th Oct 2025
A microbiology researcher returns from an expedition to Siberia, leading to a possible outbreak of a revived pathogen. Watson reconnects with Sherlock Holmes.

S1 Ep5
7.4
9th Mar 2025
Watson takes a major ethical risk when he decides to treat a sickle cell patient with an unorthodox surgery, and the team faces their own dilemma when they must decide whether to look the other way or help the young woman.

S1 Ep1
6.8
26th Jan 2025
Dr. John Watson resumes his medical career as the head of a clinic dedicated to treating rare disorders six months after the death of his friend and partner, Sherlock Holmes, at the hands of Moriarty.

S1 Ep2
7.2
16th Feb 2025
Watson and the fellows investigate the perplexing case of a family man with a bullet lodged in his head who insists he is a Scottish soldier and seems to be hiding something nefarious.

S1 Ep3
7.4
23rd Feb 2025
Watson and the fellows treat a comedian who collapses at an open mic night, but throughout the case her past is revealed to be much more complex than initially believed.

S1 Ep4
7.3
2nd Mar 2025
When Sasha discovers a link between her current patient, who has advanced cancers and distinctive lesions on his tongue indicative of Cowden syndrome, and a cadaver she dissected during medical school, the team traces the case to Amish country.

S1 Ep5
7.4
9th Mar 2025
Watson takes a major ethical risk when he decides to treat a sickle cell patient with an unorthodox surgery, and the team faces their own dilemma when they must decide whether to look the other way or help the young woman.

S1 Ep6
7.5
16th Mar 2025
Stephens musters the courage to ask Watson to help him when his camgirl suddenly collapses during a video call. He does not know anything about her real life, so the team must act quickly to locate her before it's too late.

S1 Ep7
7.5
23rd Mar 2025
While Watson and the team help a woman whose memory resets every three minutes, Watson struggles with auditory hallucinations and questions whether someone is behind his current decline. Also, Moriarty plots his next move.

S1 Ep8
7.4
30th Mar 2025
Watson runs into brilliant con artist and an old friend of Sherlock Holmes, Irene Adler, when her son Angus is admitted to UHOP for temporary paralysis. The fellows help Watson after he grows fond of Angus and pursue various leads to find a cure to his illness.

S1 Ep9
7.5
13th Apr 2025
Ingrid's lies come back to haunt her when her sister Gigi needs to be treated by the team after she develops side effects to the secret treatments Ingrid put her through. Also, Watson and Mary bond over a tragedy.

S1 Ep10
7.5
20th Apr 2025
Watson is thrown into a detective case when he is unsure whether the patient he is treating for one of the most rare ailments in the world, Alien Hand Syndrome, is guilty of pushing his brother in front of a bus to his death.

S1 Ep11
7.4
27th Apr 2025
Watson confronts a traumatic event from his Army days that still weighs heavily on him when his Army veteran friend’s wife reaches out begging for help when her husband is seemingly having a psychotic break. Meanwhile, Shinwell is asked for one last favor by Moriarty.

S1 Ep12
7.6
4th May 2025
When part of the team falls ill after becoming targets of a sinister plot, it becomes an all-hands-on-deck situation to save them before it's too late. Meanwhile, Watson announces a new ambitious project that he has been working on.

S1 Ep13
7.8
11th May 2025
Watson and the team are faced with an impossible choice when two lives hang in the balance, but they only have one vial of antidote available. Meanwhile, Shinwell races to help the team, and Watson goes head to head with Moriarty.
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The first episode of Watson aired on January 26, 2025.
The last episode of Watson aired on November 17, 2025.
There are 27 episodes of Watson.
There are 2 seasons of Watson.
Yes.
Watson is set to return for future episodes.