This is the last of the three times during the series where we get to see the Tates' son, Jonathan.
The sound stage set has no shutters on the front windows, and a window is missing.
One of the toys brought to life by Serena is the Fuzz Doll from "One Touch of Midas". It is the "troll" of the episode title.
The barrel of monkeys is full of chimps, which are not technically monkeys.
Darrin wishes the bush he has been trimming would go away. It does, leaving only a smooth spot of ground. Later, when the neighbor takes Darrin out to where the bush was, there is a hole in the ground.
The ceiling of the living room appears to be at least 14 feet, meaning the master bedroom couldn't be on the second story.
An ABC camera is shown on the commercial set. Bewitched originally aired on ABC.
During the Bobbin's Bon Bons commercial sequence, Henry Mancini's "The Sweetheart Tree" is heard on the soundtrack.
At a certain point, an extremely high dining room ceiling is shown, which would make it impossible for there to be bedrooms on the second story.
Darrin tells Larry that Samantha is a witch, but he doesn't believe him.
A boom mic's shadow is seen to swing down into the scene on the patio with Samantha and Ashley the dog.
When Samantha has the coin on her forehead and is bowing three times, notice that her shackles have mysteriously disappeared. They then reappear when she's regained her memory.
Darrin says this is his first vacation in four years, but he and Sam went to the Caribbean in "Samantha's Better Halves".
According to Samantha, Adam is already two despite being born only eleven months prior in the previous season.
When Endora and Sam are on the wing of the airplane, you can see folds in the blue sky backdrop.
This episode is the first time since season four that a reference is made to Samantha being a Queen of the Witches.
Hepzibah's demerit bar disappears in certain far away camera shots when she is sitting in the living room.
Beginning this season, the Stephens home now has shag carpeting, plaid drapes, all new furniture and a newly designed kitchen with eating nook and staircase. Although every two seasons, the set for Darrin and Sam's house received a minor redecorating, this marks the most dramatic change. The offices of McMann and Tate are also completely different.
Another palm tree on the East Coast is spotted when Larry drives a client to the Stephenses' house.
This was the second time that Leonardo da Vinci was referenced in the series. The first was in "Samantha's Da Vinci Dilemma", when the man himself appears. The Mona Lisa was referenced three times: here, "Da Vinci Dilemma" and "Eye of the Beholder".