When does Big Sky return?

The series premiered on ABC as a fall entry in the 2020–21 television season on November 17, 2020. In May 2021, the series was renewed for a second season which premiered on September 30, 2021. A third season, subtitled Deadly Trails, premiered September 21, 2022.
A private detective teams up with an ex-cop to solve a kidnapping case in Montana. The series is set in and around Lewis and Clark County, Montana.