In the 90s there was a network called The WB. Before CW and UPN, WB was the residential spot for urban sitcoms. And the caravan of shows was led by Tia and Tamera Mowry’s Sister Sister. As twin’s adopted by different families at birth, Tia and Tamera meet each other in high school. Eventually their parents decide to live together for the girls’ sake. The series followed the girls high school through college before bowing in the lattter 90s.