The text "The.Rookie.S05E18.720p.HDTV.x265-MiNX[TGx]" is a standardized filename typically used in file-sharing communities to identify a specific episode of a television show.

: Season 5, Episode 18. This specific episode is titled "Double Trouble."

: The video resolution (1280x720 pixels), which is standard high definition.

: The name of the TV series (a police procedural starring Nathan Fillion).