Files with names like this are usually found on or warez sites . They are packed with metadata so that users can identify the quality and language options at a glance before downloading. The .mkv format is preferred by these groups because it can hold multiple audio tracks and subtitle streams in a single file.

The string is a typical filename for a pirated video file. It breaks down as follows: IAmGroot : The title of the series ( I Am Groot ).

: The name of the website/source where the file originated. mkv : The Matroska Video container format. Overview of "The Little Guy" (S01E02)

: Likely a repetition or part of the specific episode/branding. S01E02 : Season 1, Episode 2 (titled "The Little Guy"). 1080p : The video resolution (Full High Definition). English : The audio language. Esubs : Indicates that English subtitles are included.