Watch Tia & Tamera live

Actors Tia and Tamera Mowry of the popular '90s sitcom "Sister, Sister" star in a reality series that documents their lives as they embark on new journeys and face their biggest challenges yet -- from pregnancies to weddings and how those events change their lives. At crossroads, they learn how to balance their careers with the pressures of their personal relationships and expanding responsibilities. But as the sisters' parenting and professional lives take them in different directions, the audience will see whether or not their relationship survives the challenges.