Cousin Henry was a last minute script change to accommodate the absence of Paul Lynde as Uncle Arthur, who was apparently unavailable to do the episode.
Dick York does not appear in this episode. It was the final episode filmed for the fifth season on March 11, 1969.
When Samantha asks Henry where Uncle Arthur is, he tells her that he is at the Cannes film festival protesting Rosemary's Baby, the 1968 film about witches and devil possession.
S 7 : Ep 28
Aired 4/22/71 (26:00)
S 7 : Ep 27
Aired 4/15/71 (26:00)
S 7 : Ep 26
Aired 4/8/71 (26:00)
S 7 : Ep 25
Aired 4/1/71 (26:00)
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