For Episode 1, supposedly there were a total of 5 different versions, counting the preview cut.

1. Darth Maul stays in one piece when he falls
2. Darth Maul splits in two near the end of the shaft
3. Darth Maul splits in two almost immediately after falling
4. VHS version supposedly added couple of brief shots of Podrace
5. We all know about the DVD version.

Does anyone know whether the preview cut of Ep. III available on Ares is different from the theatrical film prints or the digital?