This signifies the file includes dual audio tracks in both Italian and English .

This paper covers the technical and narrative details for the media release titled This specific file represents a high-quality "multiplexed" (Mux) version of the second episode of the psychological thriller series, The Alienist . Release Specifications

This indicates the video was sourced directly from a streaming service (WEB-DL) and then "remuxed." A remux takes the raw video and audio streams without re-encoding them, preserving the original quality while changing the container (often to MKV).

The second episode, titled originally aired on January 29, 2018.

The filename provides specific technical data about the file's origin and contents:

In this installment, the core investigative team officially coalesces. Dr. Laszlo Kreizler and John Moore are joined by Sara Howard , the first woman hired by the NYPD, and the Isaacson brothers , who introduce then-futuristic forensic science techniques like "fingermarks".