The series is based on the video game franchise created by Bungie and developed by 343 Industries. The first season of Halo premiered on March 24, 2022, and ran until May 19. In July 2024, the series was canceled after two seasons. The story is centered around Master Chief Petty Officer John-117 and Cortana.
Halo is set in the 26th century and follows the conflict between humanity and a formidable alien alliance known as the Covenant. The story is centered around Master Chief Petty Officer John-117, a super-soldier of the Spartan-II program, and several other major characters from the video games series. Executive producer Kiki Wolfkill revealed that the series is a standalone story that takes place within its own "Silver Timeline"