Notable lines that subtitles must capture include Doc's final message: "Your future is whatever you make it. So make it a good one".
Precise transcription of "1.21 gigawatts" (famously pronounced as "jigawatts") and "flux capacitor" ensures the sci-fi elements remain consistent for fans. Back to the Future Part III subtitles English
Translating humor in Back to the Future to Japanese subtitles Notable lines that subtitles must capture include Doc's