Continuity mistake: The amount of blood on Allison blouse decreases after Vanya cuts her throat.
Continuity mistake: When Geralt fights the Striga, he ends up lying on his back with the Striga on top of him. To escape, he uses his magic to "punch" through the floor. The first attempt fails, its only effect is to blow away some dead leaves. At the second attempt a few seconds after, leaves are back on the floor.
Urgent Care - S5-E6
Continuity mistake: Guillermo is lying on a table in the hospital and wearing a dress. Nadja comes in, trying to get him out of there. While she is talking to him, he sits up a bit and starts playing with the bottom of his shirt. The shot cuts, and now he is lying flat on the table again.
Continuity mistake: When Will Parry visits his grandparents, the grandmother is sitting on the sofa next to Will's grandfather. The grandmother's position keeps changing from sitting right next to him to being further apart.
The First Thing I Remember Is Fire - S1-E4
Continuity mistake: During the fight scene the hunter's mask is broken and there is a large point made of this. However, mid way through the sequence when he is squaring up to our hero his mask is miraculously damage free. (00:44:01)
Where Are You, Man Wol? - S1-E9
Continuity mistake: When Man-wol is trying on a white hat, in one shot her hand is touching the top of the hat, but when the shot cuts, that same hand is suddenly touching the side of the hat. Then it goes back to the top of the hat in the shot after that. (00:22:08)