When Dorothy wakes up from the sleeping curse, a lock of her hair is in front of her face. In the next shot it disappears.
When they're all talking at Auntie Em's grave, the position of some of the casing on Snow's umbrella changes positions between shots.
Hook says that Hades enchanted his Hook so he could carve the names on the stones so that they couldn't leave. However Hades gave Hook a chisel to carve the names he didn't do anything to his hook.