S1·E21 Once in Love with Buffy
Aired February 13, 1967
Synopsis
Aunt Fran's back and she wants the kids to come back with her. She believes that Bill will not be a suitable person for the kids. Of course, Fran thinks that this fact is confirmed when Buffy thinks that Bill doesn't want them there. When teh family gets ready to leave, Buffy sees the light and changes her mind.