Actor Barry Atwater plays the warlock Boris in this episode. He would go on to play another creature of the night after this episode: that of the vampire Janos Skorzeny in the pilot episode of Kolchak: The Night Stalker, starring Darren McGavin. (edit) The script consultant missed on this episode! Previously, Endora fled the country on Halloween to avoid the mortal celebrations, but this one seems to contradict that theme. (edit) Funny cameo by baseball legend Willie Mayes as a warlock.......how else could he hit all those homeruns. (edit) Abner and Gladys's address is shown to be 1168 Morning Glory Circle, but since they live across the street from Sam and Darrin, theirs should be an odd-numbered address. Filmed on September 12, 1966. (edit)

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The studio backdrop of 1162 in the background is wrong. (edit) During the party, some of the guests are shown at the party before they are shown arriving. (edit)

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