: The compression codec used, which allows for high quality at smaller file sizes. 2CH : Two-channel (stereo) audio.

The text you provided is a standardized filename for a digital copy of , titled "Old Scores." This episode serves as the season finale and concludes the "Dead Lions" storyline. Episode Overview: "Old Scores"

The specific tags in your text describe the quality and format of the video file: : The resolution (High Definition).

: The episode concludes with a tribute to Dickie Bow, the retired agent whose death sparked the season's investigation. A plaque is left for him stating he "served behind the wall," acknowledging his service during the Cold War. Technical Details of the Filename

: The source of the video was a streaming service (like Apple TV+).

: River Cartwright (Jack Lowden) works to prevent a terrorist plot involving a plane, while discovering the truth behind the sleeper agents living in the village of Upshott.

: A major revelation occurs regarding Charles Partner , a former MI5 head. Lamb reveals he killed Partner years ago because Partner was actually an undercover agent for the opposition.