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Van der Valk unsettled as an unwelcome face from the past returns in exclusive clip
"Fair to say there is no love lost between the two..."

ITV
- Abby Robinson
Published: Wednesday, 29 July 2026 at 1:18 pm
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We've all had the displeasure of working with people we'd rather avoid. Such is life as an adult.
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From micromanagers to those who overestimate their own talents, only a lucky few emerge unscathed.
Commissaris Piet Van der Valk, who returns to ITV1 on Sunday 2 August, is not one of them.
In the first episode of the crime drama's fourth season, the team are called in to ensure a key witness makes it to court to testify against a criminal empire after another witness is killed while under police protection.
But "the situation is complicated by the fact that the protection officer in charge of the first victim is Kalie Tenkers, a former flame of Van der Valk's".
"Fair to say there is no love lost between the two, especially when he suggests she might have been involved in the killing," reads the official synopsis.
Read more:
You can watch their uncomfortable reunion below.
"That's a real shock for Van der Valk," Marc Warren told Radio Times. "She's very involved in the crime that we're investigating to the point where I actually think she might be complicit in it, and I sort of accuse her of actually having done it.
"But as with any old relationship, it just throws him. So where he's normally quite cool and on it, he's completely thrown and you see that vulnerable side of him."
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Marc Warren reprises his role as Commissaris Piet van der Valk in the fourth season of Van Der Valk, described by writer Chris Murray as "the best series of Van Der Valk we've done so far".
Across three feature-length episodes, Van der Valk and his team investigate the murder of a police witness, the killing of an environmental campaigner linked to a long-missing pop star, and the assassination of a cancer researcher whose breakthrough discovery may have made him a target.
Van der Valk season 4 premieres on ITV1 on Sunday 2 August at 8pm.
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Check out more of our Drama coverage or visit our TV Guide and Streaming Guide to find out what's on. For more TV recommendations and reviews, listen to The Radio Times Podcast.
Authors

Abby RobinsonDrama Editor
Abby Robinson is the Drama Editor for Radio Times, covering TV drama and comedy titles. She previously worked at Digital Spy as a TV writer, and as a content writer at Mumsnet. She possesses a postgraduate diploma and a degree in English Studies.
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