Bewitched - Season 8 Episode 23 School Days, School Daze

Tabitha has to take a test to prove her intelligence and is very nervous. Endora helps her out by puuting a spell on her, making her a super genius! Miss Peabody, the teacher from episode 246, is amazed about Tabitha's knowledge and tells the principal about it. Samantha find out about this, and tells Endora to take the spell off Tabitha. Miss Peabody will not back off, and she catches Tabitha and Adam using their powers one day. Samantha catches Miss Peabody trying to be like Gladys Kravitz and gives her a lesson about snooping she will never forget.