Episode 7 of "Sabrina, the teenage witch"
s01e07 Third Aunt From The Sun
Title: Third Aunt From The Sun
Original Air Date: 11/08/1996 on ABC
Plot Outline:
When Sabrina is paid a surprise visit from her eccentric Aunt Vesta, who lives in a fantasy realm called Pleasuredome, Hilda and Zelda agree to let Sabrina travel to the other realm for the weekend. However, when Vesta temptingly suggests Sabrina make a permanent move, Sabrina must ultimately choose between the carefree lifestyle of Pleasuredome or her "normal" life back on earth.
