The animation was super good. Best I have seen in a while. Voice acting might be the only thing that was not perfect, but the rest was good enough to carry the suspense.
The struggle scene was probably the best, because the face and position of the bear kept changing throughout the darkness cut outs in a very 3D like motion, while his death stares remained visible.
From that point on the dynamics of the drawings and animation increased to a very high level.
Aside from all that it was of course an entertaining twist on the series. So hell yeah good job :)