Ffmpeg - Young Sheldon S05e04

ffmpeg -i "Young.Sheldon.S05E04.mkv" -c:v libx265 -crf 23 -c:a aac -b:a 128k "YS_S05E04_hevc.mp4"

ffmpeg -i "Young.Sheldon.S05E04.mkv" -c copy "Young.Sheldon.S05E04.mp4" young sheldon s05e04 ffmpeg

First, check what you’re working with: ffmpeg -i "Young