Samantha's Hot Bed Warmer (2) - S7-E4
Continuity mistake: In the opening scene, Samantha's purse is on the couch. It is initially lying flat with handles up on the back of the couch. When the officers are let into the room, the purse position changes. It is now standing upright.
Answer: The original diamond and white gold heart necklace was given to Elizabeth Montgomery by her then real-life husband, William Asher, who also directed the show. She wore it in nearly every early episode. When the necklace was lost or stolen about mid-way through the series, Montgomery had two replicas made from rhinestones. She wore either one of those for the rest of the show's run.
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