Yellowstone Universe new show ‘Y: Marshals’: Launch date, where to watch, cast and everything we know so far

The Yellowstone Universe new show, Y: Marshals, marks a major expansion of Taylor Sheridan’s hit franchise and follows Kayce Dutton (Luke Grimes) as he steps into a new chapter. CBS has officially revealed the first teaser along with key details about where to watch, the launch date, the cast lineup, and more. Here’s everything we know about the yellowstone universe new show so far.

Yellowstone Universe New show Y: Marshals – Launch date

The yellowstone universe new show, Y: Marshals, is set to debut on March 1, 2026, premiering at 8/7c on CBS. The series will air right before CBS’s No. 1 drama, Tracker, giving it a strong Sunday programming block.

Where to watch the Yellowstone Universe new show Y: Marshals

The yellowstone universe new show, Y: Marshals, will air Sundays at 9/8c on CBS. For streaming audiences, new episodes will be available the next day on Paramount+. This makes CBS the broadcast home of the latest Dutton-driven story, while Paramount+ continues to serve as the streaming hub for the larger Yellowstone universe.

Yellowstone Universe new show Y: Marshals – Cast

The yellowstone universe new show Y: Marshals brings back several fan favorites while introducing new faces to the franchise.

Returning cast

• Luke Grimes as Kayce Dutton
  
  
• Gil Birmingham as Thomas Rainwater
  
  
• Mo Brings Plenty as Mo
  
  
• Brecken Merrill as Tate Dutton
  

Notably missing is Kelsey Asbille, who played Kayce’s wife Monica.

New cast

• Arielle Kebbel as Belle
  
  
• Ash Santos as Andrea
  
  
• Tatanka Means as Miles
  
  
• Logan Marshall-Green as Pete Calvin
  
  
• Brett Cullen as Harry Gifford, head of the Montana US Marshals
  

Yellowstone Universe New Show Y: Marshals—What trailer revealed

CBS dropped a 10-second teaser on September 5, 2025, offering the first look at the yellowstone universe new show. The teaser features Kayce in full US Marshal gear and a brief introduction to a new character, Belle, played by Vampire Diaries and Rescue: Hi Surf actress Arielle Kebbel. Though short, the teaser confirms a tone shift from ranch politics to fast-paced federal law enforcement.