2020 | 4 Episodes

Season 1 of 999 Police: Hour of Duty premiered on May 4, 2020.

2021 | 4 Episodes

Season 2 of 999 Police: Hour of Duty premiered on October 27, 2021.

2022 | 8 Episodes

Season 3 of 999 Police: Hour of Duty premiered on June 20, 2022.