891-br720p-subs-startrek-1.mp4

: Identifies the show and typically refers to Season 1, Episode 1 . Guide to " The Man Trap "

: MP4 files typically support only one burned-in subtitle track; if yousrt files. 891-BR720p-SUBS-STARTREK-1.mp4

: Confirms the file includes subtitles (likely English). : Identifies the show and typically refers to