The episode featured in that specific file name is , which is the fourth episode of the second season of Vikings: Valhalla . Episode Overview: "The Thaw"
: Contains multiple audio tracks (often English and a secondary language like French or German). 720p : High-definition resolution (1280 x 720 pixels). NF : Sourced from Netflix . Vikings.Valhalla.S02E04.MULTi.720p.NF.WEB-DL.H2...
The technical "features" or specifications indicated by the filename are: The episode featured in that specific file name