Revealing mistakes: When Dr. Bernstein hits the floor after being pushed by Frankenstein, the floor wobbles.
Revealing mistakes: The breaks in the balcony railing are already visible in the few shots before Frankenstein pushes Professor Bernstein to his death.
Revealing mistakes: In the crypt, Professor Bernstein's corpse is seen breathing in the close-up.
Continuity: In the crypt, the Professor's brain is placed in a glass jar full of liquid that is pink in long-shot and grey in close-up.
Continuity: When the blind man is attacked, the top button of the Creature's coat is unbuttoned in one shot and buttoned in the next.