Signifies that the file contains Italian audio or subtitles.
Confirms the video resolution is High Definition (usually 720p or 1080p). Big.Sky.2020.S03E02.WEBDL.ITA.HD.mkv.mp4
This is a double extension. It likely indicates the file was originally an .mkv container (which supports multiple audio/subtitle tracks) but has been renamed or transcoded to .mp4 for broader compatibility with devices like smart TVs and tablets. Key Cast Katheryn Winnick as Jenny Hoyt Kylie Bunbury as Cassie Dewell Jensen Ackles as Beau Arlen Reba McEntire as Sunny Barnes Signifies that the file contains Italian audio or subtitles