After downloading or ripping this episode, I ran into two common problems: the video was in a codec my TV didn’t support (e.g., HEVC/H.265), or the audio was out of sync. Using ffmpeg fixed both quickly. 1. Convert H.265 to H.264 for better compatibility:
ffmpeg -i Young.Sheldon.S03E13.mkv -c copy output.mp4 young sheldon s03e13 ffmpeg
ffmpeg -i input.mkv -itsoffset 0.2 -i input.mkv -map 1:v -map 0:a -c copy fixed.mkv (Adjust 0.2 to -0.2 if audio is ahead.) After downloading or ripping this episode, I ran