The first episode of the police procedural series 'Line of Duty' premiered on BBC Two in the United Kingdom.
The fourth series of 'Line of Duty' premiered on BBC One, marking the show’s move to a more prominent channel.
Series 5 of 'Line of Duty' began airing, reflecting increased international success and critical acclaim.
The highly anticipated sixth and final series of 'Line of Duty' premiered, concluding the popular show.