The second Yellowstone prequel from Paramount+, 1923, has an official trailer online.

The series’ first trailer shows Helen Mirren being approached by Timothy Dalton’s Donald Whitfield, who informs her that he has moved into the ranch next to theirs. Helen Mirren and Harrison Ford play Cara and Jacon Dutton in the show.
In 1923, a new generation of Duttons will be introduced, led by patriarch Ford and Mirren’s characters, according to Paramount+. The early 20th century, when pandemics, a record-breaking drought, the repeal of Prohibition, and the Great Depression all afflicted the mountain west and the Duttons who called it home, will be examined.
The Indiana Jones and Star Wars actor’s first significant television part may be found in the series, but not for Helen Mirren, whose prior TV appearances include Prime Suspect and HBO’s Catherine the Great.
Along with Darren Mann (Animal Kingdom), Michelle Randolph (A Snow White Christmas), James Badge Dale (Hightown), Marley Shelton (Scream), Brian Geraghty (Big Sky), and Aminah Nieves, the Yellowstone prequel is directed by Taylor Sheridan (Blueberry).
Dec. 18 will see the simultaneous launch of 1923 on Paramount Network and Paramount+.