The Stephens and the Tates go to a seminar where speaker Osgood Rightmire proclaims that witches do not exist. Samantha proves him wrong by setting up a few tricks for him, but he unknowingly gets her back by calling out a spell that makes her disappear and reappear voluntarily. Endora finds out that Osgood's power comes from a powerful ring on his finger. Endora grabs the ring and makes Samantha visible again.
Elenco: Elizabeth Montgomery , David White , Agnes Moorehead , Dick Sargent , Sandra Gould , Bernard Fox , Kasey Rogers , Erin Murphy , Diane Murphy , Ronald Long , Ivor Barry , Alice Pearce .