Bosch: Start of Watch Sets January 10 Premiere on MGM+
The Bosch prequel, set in the 1990s, will roll out new episodes weekly through a February 21 finale, with Cameron Monaghan as a 26-year-old Harry.
MGM+ has confirmed that Bosch: Start of Watch will premiere on the service on January 10, according to screenrant.com. The announcement came alongside the release of first-look images of Cameron Monaghan in the lead role.
New episodes will follow weekly, with the finale scheduled for February 21. The series is set in the 1990s and follows Harry Bosch as a 26-year-old rookie with the Los Angeles Police Department.
Monaghan takes on the younger version of the character previously played by Titus Welliver. Omari Hardwick plays Harry's training officer, Eli Bridges, while Ariana Guerra appears as Rosa, a fellow rookie officer and potential love interest. JD Pardo plays Cory, a professional thief and Harry's adopted brother.
The prequel was announced by Amazon MGM Studios in October 2025. Its story examines the LAPD's attack on Rodney King in March 1991 and the fallout that followed.
Quick answers
When does Bosch: Start of Watch premiere?
The series premieres on MGM+ on January 10.
Who plays young Harry Bosch?
Cameron Monaghan plays Harry Bosch as a 26-year-old rookie with the LAPD.
How many episodes will be released and when is the finale?
Episodes will be released weekly, with the finale set for February 21.