TLC brings viewers inside the world of plural families with SISTER WIVES, an engrossing seven-part docu-series following Kody Brown, his three wives - Meri, Janelle, and Christine - and their combined 13 children. From their unconventional family arrangements to their everyday "normal" lives, each half-hour episode shows the inner workings of a polygamist household, revealing the tight-knit and loving relationships between Kody's wives. The series also chronicles the growing pains as the family welcomes Robyn - the fourth wife - and her three kids. SISTER WIVES Sundays at 10/9c on TLC. tlc.com/sisterwives