Darrin carries a ladder around the house. His shadow shows on the backdrop scenery that is supposed to be a distant fence.
When Samantha disappears and continues to eat, the background is reversed.
There is a reference to the New York Mets made by Larry in what he thinks is 1961, but the Mets did not exist until 1962.
When Darrin is going outside to pay the cab fare for Serena, his shadow can be seen briefly on the Morning Glory Circle backdrop.
When Serena and Mr. Woolcott sit down on the sofa in the stateroom on his yacht, there is a painting leaning against the outside wall. When the shot changes, the painting is next to the sofa, not the outside wall.
Endora and Samantha speak of Samantha's cousin "Panda." Elizabeth Montgomery actually had a cousin called Panda who was the partial inspiration for Samantha's cousin Serena.
In the tag scene, while under a spell, Larry hints at a partnership with Darrin, then reneges on it. This is a virtual repeat of the scene late in "Solid Gold Mother-In-Law".
This episode defines the sound made by bare feet on carpet as "flurpity flurp".
When Maurice enters, the car is on the right side of the curtains. When he is getting out of the car, the car is in front of the curtains.
When Maurice enters, the top of the fake entry wall shows.
Samantha wears the same paisley jumpsuit with white background that she wore in season four's "Out of Synch, Out of Mind".
When Samantha changes Adonis from a statue to a man, his chest is completely bare of any hair, most notable when her hand touches his skin. In the next scene, when he arrives with Samantha at her rented villa to meet his beloved, wearing 1971 clothes, his open shirt shows a torso full of dark chest hair.
The two-part saga takes place on February 13, 1542, the day that Henry VIII's fifth wife, Catherine Howard, was beheaded.
In the Tower scenes, the picture shifts color tint after Endora pops down out of it.
In the scene after Ferdy turns Samantha's pearls into oysters, Esmeralda and Ferdie go into the kitchen to tell Sam about the mishap. Sam leaves the oyster necklace in the kitchen, and enters the living room. A moment later, Ferdy points to the coffee table in the living room and asks Sam if she wants him to turn her necklace back into pearls. Turning towards the table, Sam says no. They never show the table because the necklace is still in the kitchen.
The backyard set was built to look bigger than it really was. In some shots in this episode, it is noticeable that the edges of the lawn actually go up at an unnatural angle to meet the fence.
One exterior shot on the Screen Gems lot shows the back of another facade in the distance.
This episode shows an impossibly high living room wall with Serena sitting on the molding.
An exterior scene at the Screen Gems lot house facade shows a wall through the kitchen door that couldn't possibly be there.