When Snow White climbs down the castle's wall during her escape, Emma and Hook are coming out of the turret's door twice.
In earlier episodes Robin says that Marion dies because he put her at risk doing a job. In this episode Robin has nothing to do with it and she is almost n put to death because she helped Snow White and didn't tell Regina where she was.
Rumplestiltskin is supposed to be able to see the future, and yet does not recognize Emma. This could be because he doesn't see everything, but Emma does play a quite large part in his future. Correction: Rumplestiltskin can see parts of the future / possibilities, as explained in Season 2.