This looks like a standard filename for a TV show download. If you need to turn that string of text into something more readable for a library, a file name, or a caption, here are a few ways to clean it up: Big Mouth - S01E10-12 [720p HD] Option 2: Descriptive (Best for a Watchlist) Big Mouth: Season 1, Episodes 10, 11, and 12 (720p HD) Option 3: Casual/Social Media Style

These are usually "tags" from the site or the group that uploaded the file.

What the original text means: ep-10-to-12: Covers episodes 10, 11, and 12. b-gm0uth: Shorthand for the show Big Mouth . s01: Season 1. 720p-hd: The video resolution (Standard High Definition).