When they show Gomez's face trying to get an apple they are swirling around in his tub but when they show both Gomez and Fester both on the see saw the apples in his tub aren't moving.
While on the apple-bobbing seesaw, Gomez can be heard yelling while a cigar is in his mouth, then while his tongue sticks out. The sound should have been muffled.
When Wednesday speaks to her parents after returning home before going up to her bedroom, there is an obvious clip in her voice mid-sentence.
Gomez suggests looking for a witch in the classified ads, which would be in a newspaper. However, the family looks in a phone book.