🎬 What is Y: Marshals about?

• Kayce Dutton (Luke Grimes) transitions from ranch life and joins an elite U.S. Marshals unit in Montana. He combines his cowboy background with Navy SEAL experience to tackle high-stakes frontier justice. youtube.com+15tvinsider.com+15cowboystatedaily.com+15

📅 When does it premiere?

• The series is slated as a CBS midseason premiere in Spring 2026, airing Sundays at 9 p.m. ET. ew.com+3tvinsider.com+3facebook.com+3

🎥 Production & Format

• Ordered by CBS in May 2025 following the conclusion of Yellowstone in December 2024. it.wikipedia.org+3people.com+3people.com+3

• The first season will include 13 episodes, four more than Yellowstone Season 1. businessinsider.com+7people.com+7entertainmentnow.com+7

• Filming is set to begin in summer/fall 2025, with key production in Utah. cowboystatedaily.com+1en.wikipedia.org+1

🎭 Cast & Creatives

• Luke Grimes is the only confirmed cast member reprising Kayce Dutton. reddit.com+14people.com+14people.com+14

• Monica (Kelsey Asbille) and Tate (Brecken Merrill) may also return, situating the Dutton family in East Camp. businessinsider.com+15tvinsider.com+15people.com+15

• Produced by MTV Entertainment Studios and 101 Studios, with Taylor Sheridan as executive producer and Spencer Hudnut (formerly of SEAL Team) as showrunner. youtube.com+15tvinsider.com+15hindustantimes.com+15

📣 Cast Insight

• Luke Grimes described the shift from Yellowstone to this procedural format as a “bizarre transition,” but felt the new storyline was “very, very good and… roped me in.” goodhousekeeping.com+1tvinsider.com+1

🔍 Why tune in?

• This marks the first Yellowstone spinoff to air on a major broadcast network (CBS), expanding the franchise beyond Paramount+. cinemablend.com+13entertainmentnow.com+13tvinsider.com+13

• It continues Kayce’s journey — a storyline fans have followed from the ranch’s sale to his new role in law enforcement. it.wikipedia.org+10people.com+10cinemablend.com+10

Summary:
Y: Marshals brings Kayce Dutton into the realm of federal law enforcement in Spring 2026 on CBS, delivering 13 episodes of Western-meets-procedural drama. With strong creative talent backing it, this next chapter promises both action and the emotional weight fans expect from the Yellowstone universe.