Watson Season 2 Episode 4, "Happy When It Rains" - (l-r) Morris Chestnut as Dr. John Watson and Ritchie Coster as Shinwell Johnson Watson Season 2 Episode 4 Review: Happy When it Rains

Watson Season 2 Episode 4 Review: Happy When it Rains

Reviews, Watson

On Watson Season 2 Episode 4, “Happy When it Rains,” Shinwell’s new role as a medical student makes him the first to notice the inexplicably gruesome wounds on several patients.

We’re closest to two of them: Ben, a young basketball player Shinwell bonds with who tragically loses his leg, and Frankie, a married woman suspected of having an affair who cuts herself shaving only to see the small injury grow drastically.

Eventually, the man she’s suspected of having an affair with confesses that she, Frankie, and her husband have hooked up. That spurs John to an whole different diagnosis—one that thankfully stops a flesh-eating pandemic from being a thing.

Watson Season 2 Episode 4, "Happy When It Rains" - (l-r) Inga Schlingmann as Dr. Sasha Lubbock, Morris Chestnut as Dr. John Watson, and Eve Harlow as Dr. Ingrid Derian
“Happy When It Rains” – Pictured (L-R): Inga Schlingmann as Dr. Sasha Lubbock, Morris Chestnut as Dr. John Watson, and Eve Harlow as Dr. Ingrid Derian Photo: Colin Bentley/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

After three episodes on the backburner, Adam’s relationship with (and planned wedding to) Lauren comes back into focus with a twist: she’s pregnant. Given Adam’s anxiety and mixed feelings about having kids, this will be a bumpy road.

They aren’t the only ones. Ingrid and Sasha’s friendship is on a solid but awkward path to being where it was. And, per the episode’s tile, John and Mary have a couple poignant moments in the rain, implying a possible rekindling of their marriage.

I’m not sure whether flesh-eating bacteria is Watson’s version of a somewhat belated Halloween episode, but it works as such. Thankfully, most of the ickiness is kept offscreen in favor of how characters are actually affected.

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Watson Season 2 Episode 4, "Happy When It Rains" - (l-r) Morris Chestnut as Dr. John Watson and Rochelle Aytes as Dr. Mary Morstan
“Happy When It Rains” – Pictured (L-R): Morris Chestnut as Dr. John Watson and Rochelle Aytes as Dr. Mary Morstan Photo: Colin Bentley/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

That said, I don’t feel we get quite enough time with either Sam or Frankie. Admittedly, Frankie’s plot gets a little waylaid by the relationship drama, but we move quickly from caring about her to seeing her on the verge of death and then recovering.

With Sam, we see someone facing having their entire life upended at a very young age, but also a person that Shinwell can connect with. We’ve been owed more backstory with John’s friend for some time, and we’re just starting to touch on it.

Seeing Shinwell reach out over his guilt and broader anxiety as he strikes his own new path is just one of several important interactions amongst our main characters, many of which are bound of have broader implications going forward.

While I’m still anticipating more awkwardness reincorporating Ingrid fully back into the fold, most of the anger and angst is being kept off our screens for now. I’m pleased for her and Sasha but wouldn’t mind seeing a little more of their story.

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Watson Season 2 Episode 4, "Happy When It Rains" - (l-r) Peter Mark Kendall as Dr. Stephens Croft and Morris Chestnut as Dr. John Watson
“Happy When It Rains” – Pictured (L-R): Peter Mark Kendall as Dr. Stephens Croft and Morris Chestnut as Dr. John Watson Photo: Colin Bentley/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Both of these platonic relationships are likely to feel like smooth sailing compared to what could be on the horizon in terms of romantic entanglements. Adam’s feelings especially are going to have to come to the forefront as soon as possible.

And then there are those very suggestive and romantically framed moments between John and Mary. As important as they’ve been as a couple, I enjoy this iteration of them in a relatively healthy divorce. I’m not sure how I’ll feel about changing that dynamic.

Nothing is set in stone, and I am at least confident that wherever they move from here, they’ll acknowledge everything that rekindling their marriage could mean. Everyone deserves to be happy, but they’re going to have to talk a lot first.


What did you think of this episode of Watson? Share your thoughts in the comments below, and don’t forget to leave your own rating!

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Watson airs Mondays at 10/9c on CBS. 

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Caitlin is an elder millennial with an only slightly unhealthy dedication to a random selection of TV shows, from PBS Masterpiece dramas to some of the less popular series on popular networks. Outside of screen time, she's dedicated to the public sector and worthy nonprofits, working to make a difference in the world outside of media.

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