國外有人比較過R1,R2及R4的版本,"據說"R1多了幾項別區沒有的特別收錄,雖然實際規格也許要等到各區都發行後才知道,不過我覺得還是先不要輕舉妄動比較好

Commentary by Writer/Director Robert Zemeckis & Writer/Producer Bob Gale - Exclusive to Region 1

'Vintage' Making Of. - Exclusive to Region 1

Q&A Session with Robert Zemeckis at the USC film school - Exclusive to Region 1

Additional Deleted Scenes - Exclusive to Region 1

比較結果:R1獲勝
OVERALL : R1 - As it contains 'Exclusive' extras not found on the other regions, including a second commentary.

Comparison added by Adrian on May 29th 2002
Comparison last updated by Adrian on June 18th 2002