Sister Wives is an American reality television series broadcast on TLC that premiered on September 26, 2010. The show documents the life of a polygamist family, which includes Kody Brown, his wife Robyn (née Sullivan), ex-wives Meri (née Barber), Janelle (née Schriever), and Christine (née Allred), and their 18 children (1 by Meri, 6 by both Janelle and Christine, 5 by Robyn although 3 were between her and her ex-husband David Preston Jessop). The family began the series living in Lehi, Utah, moved to Las Vegas in 2011, and to Flagstaff, Arizona, in mid-2018.

Brown and his four wives have stated they participated in the show to make the public aware of polygamist families and to combat societal prejudices. Brown argues that his polygamist arrangement is legal because he is married (legally) to only one woman (Meri, then later Robyn), while the other marriages are "spiritual unions".