When Jerry hypnotizes Emily, she drops the Alf doll. But in shots of her from behind, she is still holding it.
When Alan and Megan sit at the dinner table, his hand is on top of hers when she is seen from in front, but her hand is on top of his when he is seen from in front.
When Danny has the hallucination of Paolo naked, the waistband of white pants is briefly visible at Paolo's waist in one shot.