Revealing mistake: Noah plays a bone flute to lure the animals into the ark. But although he's moving his fingers and pretending to vary the notes, there are no pitch holes drilled anywhere on the instrument. (00:50:15)
Revealing mistake: When Abram and Lot journey out into the wilderness, we see a beautiful, sweeping, panoramic crane shot of their entourage - and there are several prominently visible tire tracks all over the desert floor. (01:30:30)