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3 great BritBox shows you should watch in September 2025

These BritBox shows are a little under the radar, but that doesn't mean they aren't worth your time.

The streaming revolution has meant that there are always hundreds of shows at our fingertips just waiting to be explored. Options like BritBox exist to deliver shows that were created in the U.K. BritBox is the best way to find all these shows, even if they’re on other platforms.

What you may realize is that British TV is both different from and, in some ways, superior to the American alternative. If you’re looking for great shows to watch on BritBox that are a little under the radar, we’ve got you covered.

We also have guides to the best new movies to stream, the best movies on Netflix, the best movies on Hulu, the best movies on Amazon Prime Video, the best movies on HBO Max, and the best movies on Disney+.

The premise of New Tricks is fairly ingenious in and of itself and also a reminder that the U.K. is endlessly capable of putting new spins on the detective genre. The series, which ran for 12 years, follows hardened investigators near the end of their careers as they unite to form a task force dedicated to solving old, unsolved cases.

Using their decades of experience, they’re able to resolve cases that have been left to waste for years or sometimes even decades. While the show is undeniably a little fantastical in that regard, New Tricks is nonetheless a reminder that unsolved cases can sit like wounds that never truly heal.

You can watch New Tricks on BritBox.

Agatha Christie has an enormous foothold over the British people and over Western culture more generally. The author penned several of the most famous mystery novels ever written, and her stories have been endlessly adapted on both sides of the pond.

In Travels With Agatha Christie, Sir David Suchet visits the places we know Christie visited and searches there for the ways those places might have inspired the stories she ultimately created. It’s part travel show and part literary analysis, and while it may not be of interest to everyone, anyone who has ever had some interest in Agatha Christie will likely find themselves riveted.

You can watch Travels With Agatha Christie & Sir David Suchet on BritBox.

Stellan Skarsgård (Andor) is one of the more underrated actors of his generation, and River gives him a chance to showcase his immense talent. Here, he plays a brilliant detective who finds himself experiencing almost constant visions of the dead.

As he works to solve the crimes that trouble his psyche, he finds himself particularly troubled by the death of one of his colleagues, which leads him to do a string of irrational and incomprehensible things. In addition to Skarsgård’s excellence, River works because the mystery at its center is so immensely satisfying.

You can watch River on BritBox.

Some of the best shots in Grok Imagine’s AI-made Odyssey don’t contain actors. Ancient landscapes stretch into the distance. Close-ups of grimy hands suggest people who have touched something rougher than a keyboard. For a few seconds, the illusion holds.

https://twitter.com/imagine/status/2113712964419063911

YouTube videos could soon look better without eating quite so much data, right? Thankfully, the platform plans to introduce a new video format called AV2 on its web player in early 2027, promising more efficient streaming and potentially fewer playback hiccups on slower internet connections. The big headline is a roughly 30% improvement in compression efficiency over AV1, YouTube's existing video format. That doesn't guarantee every video will use 30% less data, but it could make streaming a little easier on both internet connections and data allowances.

What is AV2, and why should viewers care?

YouTube is changing how its Home page works, giving viewers more control over what shows up there and making some of the app’s most-used sections easier to reach. Custom Feeds are now replacing the existing topic chips for eligible users, while YouTube is also testing a redesigned top bar on mobile that moves Subscriptions closer to the Home feed.

YouTube first started experimenting with Custom Feeds earlier this year, letting you type out what you wanted to watch and turning that request into its own stream of recommendations. Now, the feature is starting to look less like a side experiment and more like something YouTube actually wants people to use as part of their everyday Home page.