I'm rewatching Elementary (the other British Sherlock Holmes series lol) and I really think more people need to talk about this series.
Some of the many great things about it:
Watson is an Chinese-American woman and former surgeon turned sober companion
Demystifies Sherlock's deductions and takes great care to show that he and his friends/associates are equals, something that Sherlock himself points out frequently
Doesn't play Sherlock's drug addiction for laughs, and instead uses it to showcase how much work goes into getting and staying sober and the way it effects your entire life
You know how everyone always says they want a show where queer characters just exist without it being their entire personality or driving the narrative? This is that show
Ms. Hudson is a trans woman whom multiple cis men are stated to be madly in love with
One of the cases involves 2 different polyamorous couples, and Watson is directly stated to be unhappy in traditional, monogamous relationships
Watson also adopts and becomes a single mother, something that is shown to be strictly positive
Several characters have disabilities and chronic illnesses, including Gregson's 2nd wife Paige, who has MS and one of Sherlock's love interests Fiona, who is autistic
There is an episode titled "A Giant Gun Full of Drugs"
One of the later main characters takes very violent revenge on the man who kidnapped and raped her, and when she comes back after evading capture the police captain is literally like "Long time no see, lol, what attempted murder"
There is never any romantic tension between Watson and Sherlock just because Guy+Girl+Close Relationship must equal romance, and even when it's joked about it's usually to point out how ridiculous the idea would be. I personally interpret their relationship as queerplatonic as Watson moves an entire continent so they can stay together when Sherlock has to leave the country, and Sherlock is instantly ready to change his life around, make the house safe for kids, and co-raise her son when Watson expresses the desire to adopt. Also he names a species of bee after her.
That's not even all of it, but those are my favorites lol