ffmpeg -i Outlander.S03E04.mkv -c copy -map 0 Outlander.S03E04.mp4
The episode features a poignant score during Jamie’s isolation at Helwater. If you want to rip the audio for a playlist or analysis, use this to get high-quality FLAC audio:
Meanwhile, Geillis Duncan, a mysterious and powerful woman from their past, continues to weave her web of secrets and deceit. Claire begins to suspect that Geillis may hold the key to unlocking the secrets of the ancient stones and the mysterious forces that govern their lives.
Keep only English AC3 5.1:
ffmpeg -i outlander_s03e04.mp4 -vf "scale=1280:720, crop=1000:600" -c:v libx264 -crf 18 -c:a aac -b:a 128k output.mp4