 eventually the refrigerator would be changed to a car for a couple of reasons first Spielberg worried that children would climb into fridges and then get trapped inside trying to replicate the scene from the film and that's because at the time many fridges still had latches on them that would hold the door shut making it impossible to open from the inside and two a time chamber is very static and Zemeckis wanted it to be able to move Bob said you know what wouldn't it make more sense for this to be mobile next thing I knew a week later they gave me some revised pages