The Yellowstone universe is expanding again, and this time, the story follows Kayce Dutton down a brand-new trail. CBS has officially announced Y: Marshals, a fresh spinoff set to premiere in 2026, and fans are already counting the days until the next chapter in the Dutton saga begins.

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What Is ‘Y: Marshals’?

Y: Marshals picks up after the events of Yellowstone, centering on Kayce Dutton (Luke Grimes), the youngest son of John Dutton. Having faced years of family conflict, loss, and violence, Kayce decides to walk a new path — one that brings him right back into the line of duty.

Now serving as a U.S. Marshal in Montana, Kayce’s new role will put him in direct conflict with criminals, corruption, and the same moral gray areas that have defined his life. As Kayce puts it in the teaser: “I’m changing paths, trying to find a new beginning.”

The spinoff marks a return to his roots in law enforcement, a career he once abandoned to protect his family — and one that now could cost him everything all over again.

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Who Stars in ‘Y: Marshals’?

Several familiar faces from the Yellowstone universe will ride again:

• Luke Grimes reprises his role as Kayce Dutton, leading the cast.

• Brecken Merrill returns as Tate Dutton, Kayce’s son, now older and wiser after surviving the chaos of the Dutton Ranch.

• Gil Birmingham and Mo Brings Plenty return as Thomas Rainwater and Mo, continuing their work with the Broken Rock Reservation.

At this time, it’s unclear whether Kelsey Asbille will reprise her role as Monica Dutton, though her absence from early announcements has sparked plenty of fan speculation.

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What Happens in the Trailer?

The first teaser offers a somber look at Kayce’s new life. In the clip, he’s seen saddling up on horseback and pursuing an SUV across the rugged Montana landscape. His narration — “I’m changing paths, trying to find a new beginning” — hints at a man trying to balance justice, redemption, and his haunted past.

While short, the teaser captures the classic Yellowstone aesthetic: sweeping plains, moral conflict, and a stoic hero caught between duty and family.

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When Will ‘Y: Marshals’ Premiere?

CBS plans to debut Y: Marshals during the 2026 midseason, with a Sunday 9 PM time slot tentatively set. Season 1 will include 13 episodes, according to People.

While the exact premiere date hasn’t been confirmed, CBS has promised the series is “coming soon,” and production is already underway.

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A New Chapter in the Dutton Legacy

Y: Marshals represents the next evolution of Taylor Sheridan’s Yellowstone universe — a story that merges modern Western grit with law enforcement drama. For fans of Kayce Dutton, this is the redemption arc they’ve been waiting for.

With old allies, new enemies, and the breathtaking Montana wilderness as the backdrop, Y: Marshals is shaping up to be one of television’s most anticipated new dramas of 2026.