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Countdown release schedule: When do new episodes land on Prime Video?

The action-packed crime drama starring Jensen Ackles has now started airing.

Jensen Ackles as Mark Meachum and Jessica Camacho as Amber Oliveras in Countdown, walking together. He is wearing a tuxedo, she is wearing a green dress and she is holding his arm.

Elizabeth Morris/Amazon Content Services

Published: Wednesday, 2 July 2025 at 9:45 am

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New crime drama Countdown is now under way on Prime Video, with new episodes being released and fans getting to see this latest series from Derek Haas, one of the creators of the One Chicago franchise.

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The series stars Supernatural and The Boys actor Jensen Ackles, who plays Mark Meachum, an LAPD detective who is recruited to a secret task force.

The task force is made up of undercover agents from all branches of law enforcement, who are investigating the murder of an officer with the Department of Homeland Security.

However, as they hunt the killer they soon uncover a far more sinister plot than they could have imagined, which starts a race against time to save a city.

The series also stars Jessica Camacho, Eric Dane, Violett Beane, Uli Latukefu and Elliot Knight, while Milo Ventimiglia made a surprise appearance in the first episode.

But what is the release schedule for the rest of the season, and when will future episodes be released? Read on for everything you need to know about the release schedule for Countdown.

How many episodes are there of Countdown?

There will be a total of 13 episodes in the first season of Countdown.

The series has been created by Derek Haas, who is one of the creators of the One Chicago franchise.

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Countdown release schedule

Jensen Ackles as Mark Meachum and Eric Dane as Nathan Blythe in Countdown

Jensen Ackles as Mark Meachum and Eric Dane as Nathan Blythe in Countdown. ELIZABETH MORRIS © AMAZON CONTENT SERVICES LLC

The first three episodes of Countdown were released at once, but since then the series has switched to a weekly release.

This means the remaining 10 instalments will be released one at a time on Wednesdays. The season will run from 25th June through to 3rd September.

You can find the full release schedule for Countdown right here:

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Countdown trailer

You can watch the trailer for Countdown right here now.

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Countdown will stream on Prime Video – you can sign up now for a free 30-day Prime Video trial.

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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 from the biggest stars in TV, listen to The Radio Times Podcast.

Authors

Black and white cut-out portrait headshot of James Hibbs, smiling against a lime green background.

James HibbsDrama Writer

James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.

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