Here is a superb set of Japanese "Back To The Future" LaserDiscs:

• Back To The Future (1986 release/Cat No. SF098-1168/Running Time: 116 minutes)
• Back To The Future II (1990 release/Cat No. PILF-1103/Running Time: 108 minutes)
• Back To The Future III (1991 release/Cat No. PILF-1255/Running Time: 119 minutes)

They all come complete with obis + insert sheets.

English Language with Japanese Subtitles.