: The file extension for Matroska , a highly flexible "container" format that can hold multiple video, audio, and subtitle tracks in one file. How to Open the File
: This is likely a "Release Group" tag, identifying the team that encoded and uploaded the file. wgr.1015.720p.yourserie.com.mkv
MKV files are not always supported by default players like Windows Media Player or QuickTime without extra setup. How to play MKV files - AfterDawn : The file extension for Matroska , a
: This often refers to an episode or season/episode combination (e.g., Season 10, Episode 15). : The file extension for Matroska