With Countdown, Jensen Ackles returns to territory he is already familiar with. In the Amazon Prime action thriller, he faces off with supernatural threats in the streets of Los Angeles. In the series, Ackles plays rogue cop Mark Meachum. Meachum, an unconventional detective, is a rebel in more ways than one, much like Dean Winchester.
Besides rule-breaking, Winchester had an idiosyncratic, almost primal, sense of justice. It's hard not to see Meachum as a metaphysical sequel to Winchester, not because he copies him, but because it’s the same magnetic disorder that made Supernatural’s lead profoundly captivating.
Even Jensen Ackles has noticed the connection, saying that it offers “a familiar taste” to the audience and that the character is “in the vein” of Dean, albeit entirely different universe. Meachum is a detective with the politics of a precinct and the intuition of a street hustler—all in one.
It’s an approach that is realistic but makes room for the same swagger, defiance, and humor that Ackles brings, which made Dean Winchester an icon in pop culture for fifteen years.
Found family, heart, and heroics

More than the action, Countdown’s emotional core is what makes it different. Derek Haas (of One Chicago fame) cited Lethal Weapon and Beverly Hills Cop as influences and has noted the character-driven love throughout the series, claiming it is rooted in character stories and action. On his part, Jensen Ackles notes the show’s sense of Supernatural fandom that will immediately love the sense of camaraderie and belonging.
Meachum is not fighting his ghosts, but he is grappling with the demons that come with loyalty, loss, and trust again. Countdown’s task force is made up of military mavericks and misfits, just like Team Free Will from Supernatural, who find sympathy with one another.
There are wonderfully humorous and cynical people alongside emotional depth. Jensen Ackles has teasingly mentioned the possibility of the series incorporating a “found family” notion, suggesting that the impetus of the show will not be only the action hinged on outsiders; instead, it will be the fostered bond shaped by those who feel alone.
More than just a Jensen Ackles-infused nostalgia trip

While Countdown may wear its Supernatural DNA with pride, it doesn't take a backseat to anyone. Instead, it carves a path for Ackles while honoring the spirit of his most iconic role. In true Supernatural fashion, Countdown features high-octane action, deeply resonant emotional themes, and a central character that strongly resembles Dean Winchester.
It’s not just that Countdown feels like a successor to Supernatural; it feels more like evolution. The series premieres June 25, and based on the early signs, it looks like long-time fans are in for an emotionally charged and explosive ride.