Web series from the late 2000s to early 2010s often used simple titles and resolutions (e.g., “DevilNeverNot Ep3 – 720p”). Entire shows have disappeared after hosting sites shut down (e.g., Blip.tv, Viddler).

The “-3” typically indicates one of the following:

If you are a video creator or archivist, you can prevent “orphaned” filenames like Video Title-Devilnevernot-3-720p . Follow these tips: