Star Trek: Strange New Worlds Season 4 Episode 4 Preview: Forget it Una, its Klingon Territory
The crew finds themselves in the middle of a political quagmire on Star Trek: Strange New Worlds Season 4 Episode 4, “A Case of Chiaroscuro.”
“A Case of Chiaroscuro” steps into the world of Film Noir with a black-and-white episode that pays tribute to the iconic classic Hollywood style.

On the episode, the crew encounter a planet occupied by the Klingon Empire. They soon become embroiled in its politics when Una is mistaken for a resistance leader.
To detangle themselves from the situation, the crew will have to don their fedoras and do some detective work.
Elsewhere on the episode, it looks like viewers will have the chance to get to know the enterprise’s newest crew member, A’Sha, a bit more.
Thus far, the stoic Vulcan has been a bit of an enigma. All we really know is that she is thoroughly unimpressed by the Enterprise and Uhura in particular.
Maybe La’an, who we can see has scenes with A’Sha this episode, will have better luck connecting. They both have that super serious, no-nonsense thing going for them.
Speaking of La’an, the preview images also show that she has some scenes with Spock this episode. Preview images can be misleading, so it could be nothing. Or maybe we’ll finally see some developments in their relationship.
Here’s everything you need to know about this episode, including the air date, cast, photos, and how to watch.
Star Trek: Strange New Worlds Season 4 Episode 4 Details
- Title: “A Case of Chiaroscuro”
- Air Date: Thursday, August 13, 2026
- Network: Paramount+
- Writer: Skylar Ojeda
- Director: Meera Menon

How to Watch Star Trek: Strange New Worlds Season 4 Episode 4
- Streaming: Available on Paramount+
Star Trek: Strange New Worlds Season 4 Episode 4 Description
Una is mistaken for a virtuous kingpin against a Klingon occupation.
Guest Stars & Returning Characters
- Main Cast: Anson Mount, Babs Olusanmokun, Celia Rose Gooding, Christina Chong, Ethan Peck, Jess Bush, Martin Quinn, Melissa Navia, and Rebecca Romijn
Photos
Check out the photos from Star Trek: Strange New Worlds Season 4 Episode 4:








What are your hopes for this episode of Star Trek: Strange New Worlds? Share your thoughts with us in the comments below, and be sure to catch up with our review of Star Trek: Strange New Worlds Season 4 Episode 3, “Human Best Friend,” right here.
Star Trek: Strange New Worlds streams Thursdays on Paramount+.
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