To access it, you couldn’t just use a normal media player’s “audio track” selection menu in many cases. Instead, fans discovered you could use or mkvtoolnix to extract or switch to the hidden commentary audio. The ffmpeg command example To list audio streams in the episode file:
ffmpeg -i "rick_and_morty_s03e01.mkv" To as a separate audio file (e.g., stream 0:1 ): rick and morty s03 ffmpeg
ffmpeg -i "rick_and_morty_s03e01.mkv" -map 0:1 -c copy commentary.aac To using ffmpeg as a pipe to a player: To access it, you couldn’t just use a