Here is your official Rookie Season 2 guide, translated into FFmpeg commands.
ffmpeg -i The_Rookie_S02E01.mkv -vn -acodec libmp3lame -ab 192k The_Rookie_S02E01_Audio.mp3 the rookie s02 ffmpeg
Want to watch Season 2 at 1.5x speed without the chipmunk audio? Here is your official Rookie Season 2 guide,