for f in *S01E*.mkv; do ffmpeg -i "$f" -ss 00:00:00 -t 00:05:00 -c copy "trimmed_$f"; done

ffmpeg -i input.mkv -itsoffset 0.5 -i input.mkv -map 1:v -map 0:a -c copy synced.mkv

ffmpeg -i input.mkv -c:v libx265 -crf 28 -c:a aac -b:a 128k output.mp4

(to MP3)

For fans of Hell's Kitchen USA who want to record and process episodes, FFmpeg can be a powerful tool. Here are a few examples of how FFmpeg can be used: