TMDb/Marshals TV Marshals premieres March 1 on CBS. See Kayce Dutton's new journey as a U.S. Marshal, with returning Yellowstone stars and fresh faces. April 27, 2026 AceShowbiz - Marshals premieres on Sunday, March 1, 2026, at 8/7c on CBS, marking a new chapter in Taylor Sheridan's expanding Yellowstone universe. The series follows Kayce Dutton, played by Luke Grimes, as he embarks on a fresh journey as a U.S. Marshal. While the spin-off stands on its own, a recap of key events from Yellowstone helps viewers understand Kayce's motivations and the Dutton family's current state of affairs.