Trigger Point series four start date revealed
Vicky McClure is back as Lana Washington
Last updated 8 hours ago
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, excitement is rife ahead of the fourth series, as Vicky McClure reprises her role as EXPO Lana Washington.
With a longer-length trailer now out, alongside a series of first-look pics, here's everything we know so far about Trigger Point series four, including the start date!
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.”
When is it on TV?
The fourth series of Trigger Point will arrive at 9pm on Sunday 30th August.
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 will once again reprise 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 will also join the cast for the upcoming series.
Julia Graham and Jonas Armstrong will guest star in the fourth series.
What will happen in series four?
Although the official plot for series four hasn't been released yet, 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:
Series four first look photos
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 will it be on?
Trigger Point airs on ITV1/STV1 and ITVX/STV Player.
How can I watch past series?
The first three 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.