Eric Dane Stars in Countdown Trailer with Jensen Ackles, Six Weeks After Revealing ALS Diagnosis

Published: May 28, 2025

The action-packed trailer for Countdown, starring Jensen Ackles, Eric Dane, and Jessica Camacho, is finally here. The series, which premieres on June 25 on Prime Video, follows a secret task force trying to stop a Chernobyl-level event from happening in Los Angeles.

The trailer features Ackles' Mark Meachum joining an elite team led by Dane's Nathan Blythe in the hopes of stopping a catastrophic event. While the stakes are high, there's still levity to the show, specifically between Ackles' character and Camacho's Amber Oliveras.

Dane's character, however, is all business. "You are the best, or I would not have selected you," he tells the team, which also includes Luke Finau (Uli Latukefu), Evan Shepherd (Violett Beane), Keyonte Bell (Elliot Knight), and Damon Drew (Jonathan Togo).

The show's logline reads: "When an officer with the Department of Homeland Security is murdered in broad daylight, LAPD detective Mark Meachum, portrayed by Ackles, is recruited to a secret task force, alongside undercover agents from all branches of law enforcement, to investigate." It continues, "But the hunt for the killer soon uncovers a plot far more sinister than anyone could have imagined, kicking off a race against time to save a city of millions."

This marks the first released project from Dane since he announced his ALS diagnosis last month. "I am grateful to have my loving family by my side as we navigate this next chapter. I feel fortunate that I am able to continue working and am looking forward to returning to the set of Euphoria next week," he told PEOPLE.

Countdown, created by Derek Haas, premieres June 25 on Prime Video with the first three episodes. New episodes will then be released weekly on Wednesdays, culminating in the series finale on September 3.

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