Your ultimate guide to Trigger Point series four

Before the third instalment even hit our screens, Jed Mecurio's high-octane drama Trigger Point was commissioned for a fourth series by ITV/STV. After filming wrapped in September 2025, Vicky McClure is now back as EXPO Lana Washington.

Here's everything you need to know about Trigger Point series four, as the tense finale aired on Monday 14th September 2026.

When was it on TV?

The fourth series of Trigger Point started at 9pm on Sunday 30th August, with new episodes every Sunday and Monday night. The series four finale aired on Monday 15th September.

All six episodes are available to stream on ITVX and STV Player now.

READ MORE: Trigger Point fans dub show 'best drama on TV' after tense finale

When was it announced?

ITV/STV announced the amazing news of a fourth series on Monday 9th June 2025, as filming for series three concluded.

ITV’s Director of Drama, Polly Hill commented: “Trigger Point is one of ITV’s most-watched dramas of last year after Mr Bates vs The Post Office so I’m delighted that this thrilling series is returning for a fourth series. I know audiences will be once again on the edge of their seat as Lana and the team take us on another thrilling ride to keep the capital safe.”

Leading actress Vicky McClure, added: “We’re all buzzing ITV have such faith in this series to commission a fourth before the third has even aired. I love working with the team, we have a great time making the show and I cannot wait to continue Lana’s journey on Trigger Point.”

After filming for series three ended at the start of 2025, the cast and crew wasted no time in getting back into character, and filming for the fourth series wrapped in September last year.

Sharing a photo of herself behind-the-scenes on set, lead actress Vicky McClure wrote: 'I ♥️ Trigger Point!

'That. Is. A. Wrap on #TP4 🎬🥲

'Feeling extraordinarily lucky and proud of the team ♥️🥲

'It’s been a very special shoot, gonna miss everyone and being in the ‘TriggerVerse’ bubble, it’s been a genuine pleasure everyday, cheers to the TP team! ☕️♥️

'More to come on that when I’ve had a good kip! But for now ‘Expo One’ over and out xxx

'#TriggerPoint'. (sic)

Who is in the cast?

Vicky McClure once again reprised her role as Lana Washington, with Eric Shango back as Danny, Nabil Elouahabi as Hass, Natalie Simpson as DS Helen Morgan and Maanuv Thiara as DCI Batra.

Actress Maisie Ayres also joined the cast for series four.

Julia Graham and Jonas Armstrong also guest star in the fourth series.

Check out the full cast list for series four below:

Vicky McClure — Lana Washington

Eric Shango — Danny Markham

Nabil Elouahabi — Hassan Rahim

Natalie Simpson — DS Helen Morgan

Maanuv Thiara — DCI Amar Batra

Kerry Godliman — Sonya Reeves

Julian Ovenden — Commander John Francis

Kevin Eldon — Jeff Washington

Tamzin Griffin — Val Washington

Tom Glenister — DC Neil Brenton

Christopher Hatherall — Phil Croxley

Jonas Armstrong — Sebastian Pinchbeck

Julie Graham — Commander Nia Quentin

Michael Balogun — Andy Oldfield

Posy Sterling — DC Ellie Hackett

Trigger Point series four trailer:

ITV/STV released the first teaser trailer on Monday 15th June, followed by a longer-length trailer on 3rd August.

In the teaser, viewers witness an eye-opening and action-packed 20 second glimpse of what Lana and the team of bomb disposal officers are facing this time as they continue their quest to keep the capital safe from explosive devices and terrorist threats.

Check out the teaser trailer below:

In the longer-length trailer, we see the team as they tackle "the biggest terrorist threat this country has seen".

Check out the longer-length trailer below:

READ MORE: Full trailer released for MobLand series two

When was filming?

Filming for series four took place between June and September 2025.

Where was it filmed?

Although no exact locations have been unveiled, filming once again happened in and around London.

What channel is it on?

Trigger Point airs on ITV1/STV1 and ITVX/STV Player.

Did Lana Washington die in Trigger Point?

WARNING SPOILERS!

After getting shot twice by a sniper during the tense series four finale, many viewers thought Vicky McClure's character Lana Washington had been killed by the sniper as she detonated a bomb in a football stadium.

However, in a plot twist towards the end of the episode, it was revealed Lana survived the shooting!

Read a full recap about the Trigger Point series four finale right here.

Series four first look photos:

How can I watch past series?

All four series of Trigger Point are available to watch on ITVX and STV Player now.

Read all about series one here.

Read all about series two here.

Read all about series three here.

Will there be a fifth series?

There's no word on a fifth series just yet, but the appetite is certainly there!

Author: Alex Ross

Alex Ross is a Digital Content Editor across Rayo brands, including the Hits Radio Network, Greatest Hits Radio, KISS, Cool FM and Magic Radio. After beginning her career as a Marketing Intern with Bauer Media in 2016, she transitioned into digital editorial and has spent the past decade creating engaging content for millions of readers. Whether it’s reality shows, sitcoms, gritty crime dramas or hard-hitting documentaries, Alex is an expert in all things TV, as well as knowing the ins and outs of celebrities.