Row 1: The odd one is C because the cat is facing a different direction.
Row 2: The odd one is C because the magic wand has no stars around it.
Row 3: The odd one is C because the pumpkin has a cat face instead of a normal one.
Row 4: The odd one is D because the cauldron has black bubbles while the others do not.
Row 5: The odd one is E because the haunted house is upside down.